John A. Del Rosario

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New York, NY, US

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Patents Applicationslast 30 patents

Information Patent Application
Form And Function Helmet
- Publication number 20110209274
- Publication date Sep 1, 2011
- John Alexander Del Rosario
- A42 - HEADWEAR
Information Patent Application
Impact Absorbing Frame and Layered Structure System for Safety Helmets
- Publication number 20090260133
- Publication date Oct 22, 2009
- John A. Del Rosario
- A42 - HEADWEAR