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Oriska, ND, US
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last 30 patents
Information
Patent Grant
Cam operated stone grinding device
Patent number
4,005,551
Issue date
Feb 1, 1977
Roy C. Lines
B24 - GRINDING POLISHING
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Patent Grant
Stone and rod holder device
Patent number
3,962,771
Issue date
Jun 15, 1976
Roy Lines
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR