Richard Duprez

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American Canyon, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for protecting a surface area
- Patent number 7,955,679
- Issue date Jun 7, 2011
- Richard Duprez
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR PROTECTING A SURFACE AREA
- Publication number 20090250965
- Publication date Oct 8, 2009
- Richard Duprez
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS