John S. Ferrari

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Littleton, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Hand worn illuminated framework
- Patent number 7,163,308
- Issue date Jan 16, 2007
- John S. Ferrari
- A41 - WEARING APPAREL
Information Patent Grant
Train warning system
- Patent number 5,729,213
- Issue date Mar 17, 1998
- John S. Ferrari
- G08 - SIGNALLING
Information Patent Grant
Railroad grade crossing motorist warning system
- Patent number 4,942,395
- Issue date Jul 17, 1990
- John S. Ferrari
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
Hand worn illuminated framework
- Publication number 20060109645
- Publication date May 25, 2006
- John S. Ferrari
- G08 - SIGNALLING