James P. Hopper

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Delmont, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Window sash and an associated method of making a window sash
- Patent number 5,570,548
- Issue date Nov 5, 1996
- Caradon America Inc.
- James P. Hopper
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Method of producing a window sash
- Patent number 5,379,518
- Issue date Jan 10, 1995
- Caradon America Inc.
- James P. Hopper
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS