Neil D. Koelker

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Xenia, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Multisided key and lock
- Patent number 9,376,837
- Issue date Jun 28, 2016
- Neil D. Koelker
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
MULTISIDED KEY AND LOCK
- Publication number 20160130839
- Publication date May 12, 2016
- Neil D. Koelker
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES