US Patent: 2,460,472
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| Process for improving the surface of form ground races
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Patentee:
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| Harold N. Seyferth (exact or similar names) - East Detroit, MI |
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Patent Dates:
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| Applied: |
Oct. 13, 1943 |
| Granted: |
Feb. 01, 1949 |
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Jeff Joslin
Vintage Machinery entry for Ex-Cell-O Machine Tools, Inc.
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Description: |
| The patent relates to reducing chatter when form-grinding the races, a step that precedes the Alden finishing method of patent 1,708,491. |
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