US Patent: 761,798
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| Wrench or the Like
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Patentee:
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| Frederick E. Walden (exact or similar names) - Worcester, MA |
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Patent Dates:
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| Applied: |
Sep. 04, 1903 |
| Granted: |
Jun. 07, 1904 |
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Patent Pictures:
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Frederick E. Walden patent June 7, 1904 |
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Stan Schulz
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Description: |
| Walden's quick adjust monkey wrench used an interrupted screw moved by a thumb toggle. The patent was used in the BAY STATE quick-adjust monkey wrench. Patent no. 763,226 applies the same interrupted screw principle to a bench vise.
An April, 1905 MACHINERY writeup mentions four sizes.
Corresponding patents: Canada {CA94698}; France {FR342617}; Great Britain GB-190409535 can be accessed through ESPACENET. |
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