Douglas Masztak

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Warrenton, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Vehicle observation apparatus
- Patent number 7,642,899
- Issue date Jan 5, 2010
- Julio Alvarado
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
Vehicle observation apparatus
- Publication number 20070228755
- Publication date Oct 4, 2007
- Julio Alvarado
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS