JC

John Crawford

U.S. Philips: 2 patents #2,537 of 8,851Top 30%
Overall (All Time): #749,639 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7679291 Barricade flasher Philip Jones 2010-03-16
7348803 Bi-directional bus buffer Thi Bui, Malcolm J. Kay, David Murfett, Mark POTTER 2008-03-25
7256371 Temperature control method for positive temperature coefficient type heating element Mark POTTER, Kevin Altschwager 2007-08-14
5847367 Circuit arrangement for controlling the temperature of a heating element Philip T Hancock 1998-12-08
5323062 System for triac trigger control in combination with a sensing element Malcolm J. Kay, Philip Tracy 1994-06-21
4521825 Gas ignition circuits 1985-06-04
4489263 Electronic speed control circuits Mark POTTER 1984-12-18