US Patent: 2,252,655
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| Rotatable Tool Holder
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Patentees:
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| Harry Russell Young (exact or similar names) - Lower Merion, Montgomery County, PA |
| Roderick P. Stocking (exact or similar names) - Drexel Hill, Delaware County, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 13, 1939 |
| Granted: |
Aug. 12, 1941 |
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Joel Havens
"Vintage Machinery" entry for William Sellers & Co.
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Description: |
| Howson & Howson - patent attorneys
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