US Patent: 1,791,771
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| Screw Driver
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Patentee:
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| Rudolph J. Velepec (exact or similar names) - Rochester, NY |
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Patent Dates:
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| Applied: |
Apr. 14, 1930 |
| Granted: |
Feb. 10, 1931 |
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Patent Pictures:
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Rudolph J. Velepec patent February 10, 1931 |
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Steve Gosselin
"Vanished Tool Makers -Upson Brothers
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Description: |
| Improvement to the screw holder in patent no. 1,641,307. The screw-holding arms are separate spring pieces, with notches in the screw-holding ends.
Known example marked HOLD E-ZEE UPSON BROS INC. ROCHESTER NY PAT 1791771 and PAT 1641307.Also see Pat.'s 2759734 and 2840382 for this tools evolution. |
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