John F. Schaffer

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Corona del Mar, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Window blind headrail and mounting bracket
- Patent number 5,042,553
- Issue date Aug 27, 1991
- Levolor Corporation
- John F. Schaffer
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS