Robert A. Hendricks

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New Richmond, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Double-hung tilting sash type window system
- Patent number 5,566,507
- Issue date Oct 22, 1996
- Andersen Corporation
- Melvin J. Schmidt
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Double-hung tilting sash type window system
- Patent number 5,544,450
- Issue date Aug 13, 1996
- Andersen Corporation
- Melvin J. Schmidt
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES