Mark D. Alpert

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Lake in the Hills, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Window blind pull-string alarm apparatus, systems, and methods of m...
- Patent number 9,613,513
- Issue date Apr 4, 2017
- Mark D. Alpert
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Window Blind Pull-String Alarm Apparatus, Systems, and Methods of M...
- Publication number 20170018161
- Publication date Jan 19, 2017
- Mark D. Alpert
- G08 - SIGNALLING