Dental implant screw

- Nobelpharma AB
Description

FIG. 1 is a top perspective view of a dental implant screw showing my new design; and

FIG. 2 is a side elevational view thereof.

Referenced Cited
U.S. Patent Documents
3732621 May 1973 Bostrom
3849887 November 1974 Brainin
4011602 March 15, 1977 Rybicki et al.
4182034 January 8, 1980 McCauley
Patent History
Patent number: D294295
Type: Grant
Filed: Mar 11, 1987
Date of Patent: Feb 16, 1988
Assignee: Nobelpharma AB (Gothenburg)
Inventor: Per-Ingvar Br.ang.nemark (Molndal)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella M. Reid
Application Number: 7/24,727
Classifications
Current U.S. Class: D24/33; D24/16