US Patent: 3,270,396
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| Bit Holder
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Patentee:
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| Thurston V. Williams (exact or similar names) - Wilton, Hillsborough County, NH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 25, 1965 |
| Granted: |
Sep. 06, 1966 |
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Joel Havens
"Vintage Machinery" entry for O.K. Tool Co., Inc.
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Description: |
| This application is a continuation-in-part of application filed 31 May, 1962, now abandoned, application filed 20 Nov., 1962. This application filed 12 Sept., 1963. |
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