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US Patent: 1,688,181
Screw Driver
Screw holding screwdriver
Patentee:
Charles  F. Fink (exact or similar names) - Baltimore, MD

USPTO Classifications:
81/445

Tool Categories:
screwdrivers : screwdriver blades

Assignees:
COMMONWEALTH BANK OF BALTIMORE - Baltimore, MD

Manufacturer:
Trimble and Fink Co. - Baltimore, MA

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 11, 1926
Granted: Oct. 16, 1928

Patent Pictures:
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Description:
Samples marked, Trimble & Fink Co., Baltimore, MD., Patented 1928. Please see Patent1563064 for more information.

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