US Patent: 806,815
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| Wrench
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Patent Dates:
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| Applied: |
Sep. 12, 1904 |
| Granted: |
Dec. 12, 1905 |
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Patent Pictures:
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1 | 2
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Emil R. Klemm Patent December 12, 1905 |
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Description: |
| The wrench is of the type with a screw adjusting jaw, and an eccentric clamp within the movable jaw to clamp the wrench to the wagon axle nut. Improved by Klemm's Dec. 17, 1907 patent (no. 873,868).
The wagon axle nut wrench manufactured by W. E. PRATT of Chicago and marked with this patent date also shows the features of patent no. 873,868.
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