Twin headed box wrench

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Description

FIG. 1 is a front elevational view of a twin headed box wrench showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is an end elevational view thereof.

Referenced Cited
U.S. Patent Documents
D60270 January 1922 Shedd
D105338 July 1937 McNaught
1618046 February 1927 Barb
2015613 September 1935 Baumgarten
Patent History
Patent number: D256324
Type: Grant
Filed: Apr 4, 1978
Date of Patent: Aug 12, 1980
Inventor: Wayne E. Coffey (Clifton Springs, NY)
Primary Examiner: W. Stallard
Attorney: Philip K. Fitzsimmons
Application Number: 5/893,492
Classifications
Current U.S. Class: D 8/28
International Classification: D0805;