US Patent: 623,946
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| Monkey Wrench
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Patentee:
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| Maschil D. Converse (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 26, 1898 |
| Granted: |
Apr. 25, 1899 |
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Patent Pictures:
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Maschil D. Converse patent April 25, 1899 |
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Stan Schulz
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Description: |
| A lever and cam in the movable jaw operates "tappets" that wedge teeth against matching teeth on the main shank to hold the adjustment.
The movable jaw resembles Converse's Jan. 24, 1899 patent no. 618,245. |
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