William J. Schumacher

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Downey, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fascia and track for a sliding door
- Patent number 4,014,072
- Issue date Mar 29, 1977
- Acme General Corporation
- William J. Schumacher
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS