Bone drill


FIG. 1 is a top plan view of a bone drill, showing my new design;

FIG. 2 is a bottom plan view;

FIG. 3 is a side elevational;

FIG. 4 is a right end view; and,

FIG. 5 is a left end view.

The broken lines are shown for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
3712386 January 1973 Peters
3803716 April 1974 Garnier
3937222 February 10, 1976 Banko
D215678 October 1969 Hall
Patent History
Patent number: D245789
Type: Grant
Filed: Nov 5, 1975
Date of Patent: Sep 13, 1977
Inventors: John J. Shea (Memphis, TN), Harry Phillips (Memphis, TN)
Primary Examiner: Bernard Ansher
Attorney: James H. Littlepage
Application Number: 5/628,941
Current U.S. Class: D24/28
International Classification: D2402;