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US Patent: 1,239,961
Screw-Driver
Ratcheting Screwdriver
Patentee:
Henry W. Pomeroy (exact or similar names) - Northhampton, MA

USPTO Classifications:
81/438, 81/450, 81/62

Tool Categories:
screwdrivers : screwdriver mechanisms

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Clarence D. Chase
Jennie C. Pratt
Patent Dates:
Applied: May 12, 1915
Granted: Apr. 11, 1917

Patent Pictures:
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