US Patent: 1,491,942
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| Wrench
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Patentee:
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| John Zilliox (exact or similar names) - Orchard Park, NY |
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Patent Dates:
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| Applied: |
Feb. 07, 1921 |
| Granted: |
Apr. 29, 1924 |
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Stan Schulz
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Description: |
| The focus of the patent is the manufacturing processes for the component parts.
Ken Cope's "American Wrench Makers 1830-1930" indicates Park Metalware produced this wrench along with several others patented by Zilliox: 1,386,217, 1,535,281, 1,639,831 |
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