US Patent: 467,151
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| Wrench
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Patentee:
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| Daniel H.. Carpenter (exact or similar names) - Orlando, FL |
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Patent Dates:
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| Applied: |
Oct. 03, 1891 |
| Granted: |
Jan. 19, 1892 |
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Patent Pictures:
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1 | 2
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Daniel H. Carpenter patent January 19, 1892 |
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Stan Schulz
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Description: |
| Improvement to Carpenter's February 10, 1891 patent (no. 446,324), with a screw-adjustable movable jaw.
An example matching this patent, but bearing the earlier date, appeared in a collection dispersal auction in 2010. It has also been associated with Carpenter's patent 487,087.
It also incorporates jaw notches as described in Carpenter's November 17, 1891 patent (no. 463,137).
The concepts in both patents appear in Canadian patent CA-38,340 granted Febr. 24, 1892. |
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