James A. Rockar

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Tarentum, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sloped glazing system
- Patent number 4,683,693
- Issue date Aug 4, 1987
- PPG Industries, Inc.
- James A. Rockar
- E04 - BUILDING
Information Patent Grant
Rafter with internal drainage feature and sloped glazing system inc...
- Patent number 4,680,905
- Issue date Jul 21, 1987
- PPG Industries, Inc.
- James A. Rockar
- E04 - BUILDING