William W. Long III

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Hagerstown, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Disc cleaner
- Patent number 4,875,309
- Issue date Oct 24, 1989
- Pangborn Corporation
- William W. Long
- B24 - GRINDING POLISHING
Information Patent Grant
Work hook device
- Patent number 4,326,744
- Issue date Apr 27, 1982
- Kennecott Corporation
- William W. Long
- B66 - HOISTING LIFTING HAULING