John S. Davies

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Monrovia, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-stage heat sensing cable and emergency communication system
- Patent number 4,157,526
- Issue date Jun 5, 1979
- John S. Davies
- G08 - SIGNALLING
Information Patent Grant
Electrically energized fire and/or intrusion detection system inclu...
- Patent number 3,950,746
- Issue date Apr 13, 1976
- John S. Davies
- G08 - SIGNALLING