Edward C. Knittel

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Trenton, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Automated storm door closure system
- Patent number 9,777,526
- Issue date Oct 3, 2017
- Edward C. Knittel
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Automated storm door closure system
- Patent number 9,273,505
- Issue date Mar 1, 2016
- Edward C. Knittel
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES