Screw driver bit

Info

Patent number: D311483
Type: Grant
Filed: Nov 14, 1986
Date of Patent: Oct 23, 1990
Assignee: Helen P. Espin (Charlotte, NC)
Inventor: Mario W. Espin (Charlotte, NC)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Clare E. Heflin
Law Firm: Shefte, Pinckney & Sawyer
Application Number: 6/930,868

Description

Description

FIG. 1 is a perspective view of a screw driver bit, showing my new design;

FIG. 2 is a front end elevational view thereof;

FIG. 3 is a rear end elevational view thereof; and

FIG. 4 is a side elevational view thereof, all other sides being identical.