US Patent: 164,453
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Wrench
Improvements in Slide-Wrenches
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Patentee:
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| Isaac W. Heysinger (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 26, 1874 |
| Granted: |
Jun. 15, 1875 |
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Patent Pictures:
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Isaac W. Heysinger Pat. June 15, 1875 |
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Stan Schulz
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Description: |
| The wrench consists of two malleable iron parts held together by a bolt with a large head that can be turned by hand. The handle includes a screwdriver bit on the end.
Ken Cope's "American Wrench Makers 1830-1930" asserts Heysinger produced this wrench.
For style and layout, compare W. Bushey patent no. 259,363. |
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