George F. Ray

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Rockville, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing elevated floor panels
- Patent number 4,856,175
- Issue date Aug 15, 1989
- USG Interiors, Inc.
- Eugene L. Swensen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Elevated floor panel and method of manufacturing same
- Patent number 4,753,058
- Issue date Jun 28, 1988
- Donn Incorporated
- George F. Ray
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Elevated floor panel system
- Patent number 4,578,910
- Issue date Apr 1, 1986
- Donn Incorporated
- David J. Germeroth
- E04 - BUILDING
Information Patent Grant
Elevated floor assembly
- Patent number 4,074,488
- Issue date Feb 21, 1978
- Liskey Archectural Mfg. Inc.
- George F. Ray
- E04 - BUILDING
Information Patent Grant
Elevated floor assembly with releasable tie means connecting the pa...
- Patent number 3,943,674
- Issue date Mar 16, 1976
- Liskey Aluminum Inc.
- George F. Ray
- E04 - BUILDING