US Patent: 1,549,164
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| Pipe Wrench
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Patentee:
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| William O. Thewes (exact or similar names) - Ridgeville, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 26, 1922 |
| Granted: |
Aug. 11, 1925 |
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Patent Pictures:
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William O. Thewes patent Aug. 11, 1925 |
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Stan Schulz
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Description: |
| The design is intended to be strong enough to withstand strain at right angles to the "intended" direction (as in bending pipe), and have the spring in a protected location.
This patent and Thewe's Sept. 1, 1925 patent no. 1,552,091 are the beginning of the RIDGID line of pipe wrenches. |
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