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US Patent: 190,869
Improvement in Screwdriver Handles
Patentee:
Edward A. Johnson - East Haven, CT

USPTO Classifications:
16/430, 16/DIG12, 81/489

Tool Categories:
screwdrivers

Assignees:
Edward A. Johnson - East Haven, CT
John J. Tower - Brooklyn, NY

Manufacturer:
Not known to have been produced

Witnesses:
Dwight W. Tuttle
S. W. F. Andrews

Patent Dates:
Applied: Apr. 20, 1877
Granted: May 15, 1877

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
Fluted screwdriver handle to prevent its slipping in the hand.

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