J. Robert Herr

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Millersville, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ceiling tile trimming tool
- Patent number D322924
- Issue date Jan 7, 1992
- Armstrong World Industries, Inc.
- Melvin H. Shaub
- D08 - Tools and hardware
Information Patent Grant
Method and apparatus of positioning a new ceiling over an existing...
- Patent number 4,920,719
- Issue date May 1, 1990
- Armstrong World Industries, Inc.
- Melvin H. Shaub
- E04 - BUILDING