Frederick Thomson

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Cumberland, RI, US

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Patents Grantslast 30 patents

Information Patent Grant
Continous real time safety-related control system
- Patent number 5,880,954
- Issue date Mar 9, 1999
- Robert Thomson
- G05 - CONTROLLING REGULATING
Information Patent Grant
Electromechanical relay system
- Patent number 5,559,664
- Issue date Sep 24, 1996
- Frost Controls, Inc.
- James Dogul
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Light curtain system with system and watchdog microcontrollers
- Patent number 5,218,196
- Issue date Jun 8, 1993
- Frost Controls, Inc.
- James Dogul
- G06 - COMPUTING CALCULATING COUNTING