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Publication numberUSD180978 S
Publication typeGrant
Publication dateSep 10, 1957
Filing dateJan 14, 1957
Publication numberUS D180978 S, US D180978S, US-S-D180978, USD180978 S, USD180978S
InventorsTheodore R. Wagner
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Screw driver
US D180978 S
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Description  (OCR text may contain errors)

United States Patent Ofi SCREW DRIVER Theodore R. Wagner, Denver, Colo., assignor to Todd Tool Co., Denver, Colo., a corporation of Colorado Application January 14, 1957, Serial No. 44,497

Term of patent 14 years (Cl. D93-4) Figure 1 is a side elevational view of a screw driver, showing my new design;

Figure 2 is a front elevational view; and,

Figure 3 is a fragmentary bottom plan view of the screw driver.

I claim: The ornamental design for a screw driver, as shown.

Des. 180,978 Patented Sept. 10, 1957 References Cited in the file of this patent UNITED STATES PATENTS Pfeifier Sept. 15, 1942 Linden July 4, 1922 Anderson Dec. 26, 1922 FOREIGN PATENTS France Jan. 21, 1953