Frank R. Wilgus

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Delaware, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Combined folding crank handle and cover assembly for a casement win...
- Patent number D459982
- Issue date Jul 9, 2002
- Pella Corporation
- David J. Vande Steeg
- D08 - Tools and hardware
Information Patent Grant
Outer surface of a cover for a casement window operator
- Patent number D459193
- Issue date Jun 25, 2002
- Pella Corporation
- David J. Vande Steeg
- D08 - Tools and hardware
Information Patent Grant
Outer surface of a cover for a casement window operator
- Patent number D452999
- Issue date Jan 22, 2002
- Pella Corporation
- David J. Vande Steeg
- D08 - Tools and hardware
Information Patent Grant
Outer surface of a crank handle
- Patent number D451781
- Issue date Dec 11, 2001
- Pella Corporation
- David J. Vande Steeg
- D08 - Tools and hardware
Information Patent Grant
Combined folding crank handle and cover assembly for a casement win...
- Patent number D450237
- Issue date Nov 13, 2001
- Pella Corporation
- David J. Vande Steeg
- D08 - Tools and hardware