Johnpaul P. Barrieau

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Gardner, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
System for testing NAC operability using reduced operating voltage
- Patent number 8,289,146
- Issue date Oct 16, 2012
- SimplexGrinnell LP
- Johnpaul P. Barrieau
- G08 - SIGNALLING
Information Patent Grant
System for testing NAC operability using reduced operating voltage
- Patent number 8,063,763
- Issue date Nov 22, 2011
- SimplexGrinnell LP
- Johnpaul P. Barrieau
- G08 - SIGNALLING
Information Patent Grant
Emergency lighting system with improved monitoring
- Patent number 7,999,666
- Issue date Aug 16, 2011
- SimplexGrinnell LP
- Mark B. Barrieau
- G08 - SIGNALLING
Information Patent Grant
Emergency lighting system with improved monitoring
- Patent number 7,400,226
- Issue date Jul 15, 2008
- SimplexGrinnell LP
- Mark P. Barrieau
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Emergency Lighting System With Improved Monitoring
- Publication number 20080266076
- Publication date Oct 30, 2008
- Mark P. Barrieau
- G08 - SIGNALLING
Information Patent Application
Emergency lighting system with improved monitoring
- Publication number 20050057353
- Publication date Mar 17, 2005
- SimplexGrinnell LP
- Mark P. Barrieau
- G08 - SIGNALLING