US Patent: 717,296
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| Micrometer Calipers
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Patentee:
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| Frank Spaulding (exact or similar names) - Providence, RI |
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Patent Dates:
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| Applied: |
Feb. 06, 1902 |
| Granted: |
Dec. 30, 1902 |
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Patent Pictures:
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1 | 2
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Joel Havens
"Vintage Machinery" entry for Brown & Sharpe Mfg. Co.
"Vintage Machinery" entry for L. S. Starrett Co.
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Description: |
| Joseph A. Miller & Co. - patent attorneys
This patent date and spindle locking mechanism was seen on a Starrett #2 micrometer. |
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