David Gustav KELLERMANN

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Iklin, MT

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Patents Grantslast 30 patents

Information Patent Grant
Smart screening barrier and system
- Patent number 9,330,549
- Issue date May 3, 2016
- APSTEC SYSTEMS USA LLC
- David Gustav Kellermann
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
SMART SCREENING BARRIER AND SYSTEM
- Publication number 20150310713
- Publication date Oct 29, 2015
- David Gustav KELLERMANN
- G08 - SIGNALLING