James A. Letkemann

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Abbotsford, CA

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Patents Applicationslast 30 patents

Information Patent Application
SAFETY BOTTOM BRACKET FOR SECTIONAL DOORS
- Publication number 20120234507
- Publication date Sep 20, 2012
- HELTON INDUSTRIES LTD.
- Michael G. Rauch
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
TRACK REINFORCEMENT FOR SECTIONAL DOORS
- Publication number 20080264579
- Publication date Oct 30, 2008
- HELTON INDUSTRIES LTD.
- Michael G. Rauch
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES