US Patent: 1,518,224
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| Tap Wrench
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Patentees:
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| William A. Seidemann (exact or similar names) - Milwaukee, WI |
| Joseph Johnson (exact or similar names) - Milwaukee, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 07, 1922 |
| Granted: |
Dec. 09, 1924 |
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Jeff Joslin
Vintage Machinery entry for Snap-On, Inc.
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Description: |
| The handle design is reminiscent of that in patent 1,443,413 which is the earliest Snap-On patent. This tap wrench is not known to have been manufactured. |
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