Elmer M. Melling

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Kenmore, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Reinforced cement sheet product containing no asbestos for fabricat...
- Patent number 4,543,159
- Issue date Sep 24, 1985
- National Gypsum Company
- Robert M. Johnson
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Reinforced cement sheet product containing no asbestos for fabricat...
- Patent number 4,428,775
- Issue date Jan 31, 1984
- National Gypsum Company
- Robert M. Johnson
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Reinforced cement sheet product containing wollastonite for reduced...
- Patent number 4,377,415
- Issue date Mar 22, 1983
- National Gypsum Company
- Robert M. Johnson
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Reinforced cement sheet product containing fibers other than asbest...
- Patent number 4,363,666
- Issue date Dec 14, 1982
- National Gypsum Company
- Robert M. Johnson
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES