Nelson Grimm

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South Euclid, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a tubular body of polycrystalline alumina
- Patent number 4,169,875
- Issue date Oct 2, 1979
- General Electric Company
- Harry M. Laska
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Polycrystalline alumina material
- Patent number 4,150,317
- Issue date Apr 17, 1979
- General Electric Company
- Harry M. Laska
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES