US Patent: 907,539
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| Shaft-clamp
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Patentee:
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| Millward T. Thomas (exact or similar names) - Warren, PA |
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Patent Dates:
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| Applied: |
Jan. 17, 1908 |
| Granted: |
Dec. 22, 1908 |
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Jeff Joslin
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Description: |
| Within a couple of years the inventor came up with a substantially different coupling design; see patent 972,292. |
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