USD133782S - Design for a screw driver - Google Patents

Design for a screw driver Download PDF

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Publication number
USD133782S
USD133782S US D133782 S USD133782 S US D133782S
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US
United States
Prior art keywords
screw driver
design
driver
screw
william
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William H. Pfeiffer
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Sept. 15, 1942. w H. pFElFFER Des. 133,782
SCREW DRIVER iled May 1 1942 IN VEN TOR,
Patented Sept. 15, 1942 UNITED STATES Des. 133,782
PATENT OFFICE DESIGN FOR A SCREW DRIVER William H. Pfeififer, Seattle, Wash.
Application May 13, 1942, Serial No. 106,882
Term of patent 3% years vational view of a screw driver, showing my new design.
The portion of the screw driver not disclosed is substantially the same as that shown in the drawing.
I claim:
The ornamental design for screw driver, as shown and described.
WILLIAM H. PFEIFFER.

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