History Timeline
1201
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
1256
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
1288
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
1297
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
1200
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
1298
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
1299
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
History Timeline
1303
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
1390
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
1399
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
History Timeline
1414
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
Optional CTA1428
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
Optional CTA1449
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
Optional CTAHistory Timeline
1502
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
Optional CTA1515
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
Optional CTA1559
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
Optional CTAHistory Timeline
1602
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
Optional CTA1608
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
Optional CTA1609
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
Optional CTAHistory Timeline
1701
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
1756
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
1777
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
History Timeline
1803
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
Optional CTA1850
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
Optional CTA1888
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
Optional CTAHistory Timeline
1900
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
1956
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
1999
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
History Timeline
2000
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
2001
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.
2004
Warren Johnson patents the “electric tele-thermoscope,” a building temperature-control device, and travels from his Whitewater, Wis., home to Milwaukee in search of manufacturing financing.