David J. Alley

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Lakewood, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Chain cleaner for chain driven vehicle
- Patent number 8,998,757
- Issue date Apr 7, 2015
- David J. Alley
- B08 - CLEANING
Information Patent Grant
Dual blade windshield wiper with scraper
- Patent number 7,302,732
- Issue date Dec 4, 2007
- David J. Alley
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Chain Cleaner for Chain Driven Vehicle
- Publication number 20140366305
- Publication date Dec 18, 2014
- David J. Alley
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Windshield wiper and scraper
- Publication number 20070186366
- Publication date Aug 16, 2007
- David J. Alley
- B60 - VEHICLES IN GENERAL