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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: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin
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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