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US Patent: 1,022,311
Spiral Screw-Driver and Drill
Thomas J. Fegley - Philadelphia, PA

USPTO Classifications:
7/165, 81/62

Tool Categories:
screwdrivers : screwdriver mechanisms : spiral screwdrivers
woodworking tools : hand drills : spiral drills

North Brothers Manufacturing Co. - Philadelphia, PA

Not known to have been produced

Walter Chism
William A. Barr

Patent Dates:
Applied: Jan. 10, 1910
Granted: Apr. 02, 1912

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for North Bros. Manufacturing Co.

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