US Patent: 3,197,220
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| Chuck apparatus
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Patentee:
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| Victor H. Peterson (exact or similar names) - Watertown, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 10, 1963 |
| Granted: |
Jul. 27, 1965 |
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Jeff Joslin
Vintage Machinery entry for Victor Mfg. Co.
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Description: |
| Of interest because the inventor had developed and patented a variable-speed drill; see patent 1,842,194. The inventor's mailing address is given as 183 High St., Boston. |
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