P

Inventor

ECHOLS JOHN

US4 patents
⚠️ This page may combine multiple inventors who share the name “ECHOLS JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ESSEX ELECTRONICS INC

3 patents
USD459671SJul 2, 2002

Keypad

ESSEX ELECTRONICS INC6 citations70
USD491087SJun 8, 2004

Keypad

ESSEX ELECTRONICS INC2 citations59
US9140757B2Sep 22, 2015

Testing a circuit assembly that contains a piezoelectric switch

ESSEX ELECTRONICS INC1 citations40

ESSEX TEC CORP

1 patent
US4458173AJul 3, 1984

Pressure sensitive electric signal generator

ESSEX TEC CORP21 citations78