US Patent: 1,052,453
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| Grinding and polishing machine
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Patentee:
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| John C. Blevney (exact or similar names) - Newark, NJ |
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Patent Dates:
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| Applied: |
Sep. 09, 1911 |
| Granted: |
Feb. 11, 1913 |
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Jeff Joslin
Vintage Machinery entry for Production Machine Co.
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Description: |
| "...the present invention has for its principal object to provide an efficient and automatically operating grinding and polishing machine adapted, more particularly, to grind and polish objects having round or cylindrical surfaces..." |
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