US Patent: 2,664,126
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| Ratchet spiral screw driver
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Patentees:
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| Judson H. Mansfield (exact or similar names) - Rockford, IL |
| Edwin C. Swanson (exact or similar names) - Rockford, IL |
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Patent Dates:
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| Applied: |
May 15, 1950 |
| Granted: |
Dec. 29, 1953 |
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Patent Pictures:
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Steve Gosselin
"Vintage Machinery" entry for Greenlee Brothers & Co.
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Description: |
| This is an improvement to Patent 1971289.The main claim of this Patent is to encase the ratchet mechanism, for the protection of the workman, Their work piece and the tool. Sold as the Greenlee #451,example marked Pat Pending, made with stainless steel and a clear green plastic handle. |
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