Roger Welyki

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Nolalu, CA

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Patents Grantslast 30 patents

Information Patent Grant
Auxiliary window pane system
- Patent number 9,493,978
- Issue date Nov 15, 2016
- Roger Welyki
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Auxiliary Window Pane System
- Publication number 20150197978
- Publication date Jul 16, 2015
- Roger Welyki
- E04 - BUILDING