David A. Harris

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Sylvania, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Acoustical panel for suspended ceilings
- Patent number 4,291,783
- Issue date Sep 29, 1981
- Owens-Corning Fiberglas Corporation
- David A. Harris
- E04 - BUILDING
Information Patent Grant
Acoustical wall baffle and method of making
- Patent number 4,215,765
- Issue date Aug 5, 1980
- Owens-Corning Fiberglas Corporation
- David A. Harris
- E04 - BUILDING
Information Patent Grant
Acoustical ceiling baffle
- Patent number 4,197,923
- Issue date Apr 15, 1980
- Owens-Corning Fiberglas Corporation
- David A. Harris
- E04 - BUILDING