David C. Gerhardt

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New Albany, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Window and door sash with interior wood covering
- Patent number 6,263,626
- Issue date Jul 24, 2001
- Atria Building Products, Inc.
- David C. Gerhardt
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS