US Patent: 1,371,952
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| Wrench
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Patentee:
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| Paul John Tumulla (exact or similar names) - Chicago, IL |
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Patent Dates:
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| Applied: |
Mar. 22, 1920 |
| Granted: |
Mar. 15, 1921 |
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Patent Pictures:
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Paul John Tumulla patent March 15, 1921 , with photo of CHAMPION wrench - photo courtesy Martin Donnelly mjdtools.com |
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Stan Schulz
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Description: |
| The pivoted lever handle has rack teeth that engage rack teeth on the main shank.
Marked CHAMPION PATENT MARCH 15 1921.
Ken Cope's "American Wrench Makers 1830-1930" speculates Tumulla operated his own company to produce these. A 1921 hardware trade journal notice of the formation of the company provided the manufacturer's name. |
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