Arnold Richard Engel

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Roseville, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Security system
- Patent number 6,705,652
- Issue date Mar 16, 2004
- Arnold Richard Engel
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Security system
- Publication number 20030234546
- Publication date Dec 25, 2003
- Arnold Richard Engel
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES