US Patent: 1,763,353
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| Wrench
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Patentee:
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| Walter Millward Heller (exact or similar names) - Newark, Essex County, NJ |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 25, 1929 |
| Granted: |
Jun. 10, 1930 |
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Patent Pictures:
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Walter M. Heller patent June 10, 1930 |
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Stan Schulz
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Description: |
| Jaw configuration and handle end additions to adopt the "MASTERENCH" self-adjusting wrench to fire hose and hydrant service.
See patent no. 1,735,257 and the other patents noted in that entry for the evolution of MASTERENCH. |
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