US Patent: 3,867,794
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| Grinding Machine
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Patentee:
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| Edward G. Robillard (exact or similar names) - Cherry Valley, Worcester County, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 08, 1974 |
| Granted: |
Feb. 25, 1975 |
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Joel Havens
"Vintage Machinery" entry for Heald Machine Co.
"Vintage Machinery" entry for Cincinnati Milacron, Inc.
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Description: |
| Abstract:
A grinding machine having means for memorizing retraction movement and re-introducing it minus a preselected amount. |
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