Neil R. Johnson

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Columbus, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Novel grinding wheels utilizing polycrystalline diamond or cubic bo...
- Patent number 4,923,490
- Issue date May 8, 1990
- General Electric Company
- Neil R. Johnson
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sawblade segments utilizing polycrystalline diamond grit
- Patent number 4,883,500
- Issue date Nov 28, 1989
- General Electric Company
- Martin E. Deakins
- B28 - WORKING CEMENT, CLAY, OR STONE