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US Patent: 289,056
Screwdriver
Patentees:
George S. Allen - Southington, CT
Robert C. Ellrich - Southington, CT

USPTO Classifications:
279/102, 473/309, 76/101.1, 81/177.1, 81/436

Tool Categories:
screwdrivers : screwdriver handles

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George Terry
Hiram A. Gray

Patent Dates:
Applied: Sep. 19, 1882
Granted: Nov. 27, 1883

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
The shank has a soft metal bolster cast on it which is then swaged onto handle.

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