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 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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