Ernest E. Grimsley

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Portsmouth, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable boring and refinishing tool for end-loading ball valves
- Patent number 4,463,633
- Issue date Aug 7, 1984
- Ernest E. Grimsley
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus for holding valve element and refinishing tool
- Patent number 4,378,661
- Issue date Apr 5, 1983
- Ernest E. Grimsley
- B24 - GRINDING POLISHING
Information Patent Grant
Adapter means for a valve reseating tool
- Patent number 4,205,495
- Issue date Jun 3, 1980
- Ernest E. Grimsley
- B24 - GRINDING POLISHING
Information Patent Grant
Portable boring tool for ball valves
- Patent number 4,114,483
- Issue date Sep 19, 1978
- Ernest E. Grimsley
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cutting tool for removing governor chest nozzles and refinishing th...
- Patent number 4,090,805
- Issue date May 23, 1978
- Ernest E. Grimsley
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Portable boring bar
- Patent number 4,011,793
- Issue date Mar 15, 1977
- Ernest E. Grimsley
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR