US Patent: 331,158
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| Wrench
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Patentee:
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| Edward Phillips (exact or similar names) - Cleveland, OH |
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Patent Dates:
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| Applied: |
Sep. 15, 1885 |
| Granted: |
Nov. 24, 1885 |
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Patent Pictures:
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1 | 2
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Edward Phillips Patent November 24, 1885 |
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Stan Schulz
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Description: |
| Each opening has a notch directly opposite on the rotating head. The sliding bolt engages a notch, and is held in place by a thumb screw.
The specifications note this design's advantages compared to the one in pat. no. 13,120. |
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