Robert G. Lindner

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Sewickley, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Floor panel for elevated floor assembly
- Patent number 4,656,795
- Issue date Apr 14, 1987
- H. H. Robertson Company
- Raymond E. Albrecht
- E04 - BUILDING
Information Patent Grant
Adjustable pedestal for elevated floors
- Patent number 4,558,544
- Issue date Dec 17, 1985
- H. H. Robertson Company
- Raymond E. Albrecht
- E04 - BUILDING
Information Patent Grant
Roof panel joint
- Patent number 4,196,554
- Issue date Apr 8, 1980
- H. H. Robertson Company
- John W. Anderson
- E04 - BUILDING
Information Patent Grant
Insulated roof panel
- Patent number 4,195,460
- Issue date Apr 1, 1980
- H. H. Robertson Company
- John W. Anderson
- E04 - BUILDING
Information Patent Grant
Protective cap for underfloor access housing
- Patent number 4,012,873
- Issue date Mar 22, 1977
- H. H. Robertson Company
- Robert G. Lindner
- E04 - BUILDING
Information Patent Grant
Protective cover assembly for underfloor access housing
- Patent number 4,012,874
- Issue date Mar 22, 1977
- H. H. Robertson Company
- Darryl Keefer Brogan
- E04 - BUILDING
Information Patent Grant
Underfloor access housing utilizing a trough space of a cellular fl...
- Patent number 3,932,696
- Issue date Jan 13, 1976
- H. H. Robertson Company
- Frank W. Fork
- E04 - BUILDING