Screwdriver

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Description

FIG. 1 is a front elevational view of a screwdriver showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
539155 May 1895 Tower
2620001 December 1952 Fratz et al.
3363500 January 1968 Simko
3872904 March 1975 Barlow
Other references
  • Hong Kong Enterprise, Nov. 1987, p. 25, Handles of Screwdrivers, circled.
Patent History
Patent number: D312033
Type: Grant
Filed: Aug 11, 1988
Date of Patent: Nov 13, 1990
Inventor: David B. Carlson (Bloomington, MN)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: C. E. Heflin
Attorney: Leon Gilden
Application Number: 7/231,047
Classifications
Current U.S. Class: D 8/82