John F. McGaffey

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Murrieta, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pedestrian push button assembly
- Patent number 6,466,140
- Issue date Oct 15, 2002
- Polara Engineering, Inc.
- John F. McGaffey
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Accessible pedestrian signal system
- Patent number 6,340,936
- Issue date Jan 22, 2002
- John F. McGaffey
- G08 - SIGNALLING