James G. Frederick

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Maineville, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Safety device for window covering operator
- Patent number 8,776,859
- Issue date Jul 15, 2014
- James G. Frederick
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Safety Device For Window Covering Operator
- Publication number 20110094065
- Publication date Apr 28, 2011
- James G. Frederick
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS