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Inventor
THOMSON FREDERICK
US
3 patents
⚠️ This page may combine multiple inventors who share the name “THOMSON FREDERICK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FROST CONTROLS INC
2 patents
US5559664A
Sep 24, 1996
Electromechanical relay system
FROST CONTROLS INC
53 citations
92
US5218196A
Jun 8, 1993
Light curtain system with system and watchdog microcontrollers
FROST CONTROLS INC
87 citations
92
(unassigned)
1 patent
US5880954A
Mar 9, 1999
Continous real time safety-related control system
177 citations
96