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US Patent: 306,491
Screwdriver
Screw holding screwdriver
Patentee:
George W. Jackman (exact or similar names) - Littleton, NH

USPTO Classifications:
81/448, 81/461

Tool Categories:
screwdrivers : screwdriver blades

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. C. Stevens
B. F. Robison
Henry F. Green

Patent Dates:
Applied: Feb. 16, 1884
Granted: Oct. 14, 1884

Patent Pictures:
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Report data errors or omissions to steward Steve Gosselin
Description:
The patent relates to a screwdriver with the ability to hold the screw on the tip while being driven. Jackman also invented a screw to be used by this screwdriver , Patent 306492

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