Michael A. Duncan

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Mohnton, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Window assembly with upper sash rail stiffening member supporting t...
- Patent number 7,882,657
- Issue date Feb 8, 2011
- Deceuninck North America, LLC
- Michael A. Duncan
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Window assembly with upper sash rail stiffening member supporting t...
- Publication number 20090193720
- Publication date Aug 6, 2009
- Deceuninck North America, LLC
- Michael A. Duncan
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES