US Patent: 1,022,311
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Spiral Screw-Driver and Drill
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Patentee:
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Thomas J. Fegley (exact or similar names) - Philadelphia, PA |
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Patent Dates:
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Applied: |
Jan. 10, 1910 |
Granted: |
Apr. 02, 1912 |
Patent Pictures:
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USPTO (New site tip) Google Patents
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Steve Gosselin "Vintage Machinery" entry for North Bros. Manufacturing Co.
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Description: |
This the improvement of 979939 the Patent for the #75 "Push Brace" Said to able to drive a 3/8" auger bit into hard woods.
The patent incases the spiral spindle and nut. |
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