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US Patent: 2,046,838
Screw Driver
Patentee:
Henry F. Phillips (exact or similar names) - Portland, OR

USPTO Classifications:
411/919, 81/460

Tool Categories:
screwdrivers

Assignees:
Phillips Screw Company - Wilmington, DE

Manufacturer:
Unknown

Witnesses:
none listed
Patent Dates:
Applied: Jul. 03, 1934
Granted: Jul. 07, 1936

Patent Pictures:
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Description:
Phillips head screwdriver. Patent for the screw is 2046839.See also Patent 2507231 for a later Phillips head screwdriver Patent.

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