Ronald L. Mullins

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Hagerstown, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable abrasive throwing wheel device
- Patent number 4,680,899
- Issue date Jul 21, 1987
- Pangborn Corporation
- James H. Carpenter
- B24 - GRINDING POLISHING
Information Patent Grant
Impeller even discharge apparatus
- Patent number 4,565,035
- Issue date Jan 21, 1986
- Kennecott Corporation
- James H. Carpenter
- B24 - GRINDING POLISHING
Information Patent Grant
Portable abrasive throwing wheel device
- Patent number 4,561,220
- Issue date Dec 31, 1985
- Kennecott Corporation
- James H. Carpenter
- B24 - GRINDING POLISHING