Security fastener

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Description

FIG. 1 is a top, rear, and right side perspective view of a security fastener showing our new design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is an enlarged rear elevational view thereof;

FIG. 4 is an enlarged right side elevational view thereof;

FIG. 5 is an enlarged front elevational view thereof;

FIG. 6 is an enlarged left side elevational view thereof; and,

FIG. 7 is an enlarged bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
4724689 February 16, 1988 Anchia
4813252 March 21, 1989 Ray
4856305 August 15, 1989 Adams
5076079 December 31, 1991 Monoson et al.
5119649 June 9, 1992 Spence
5228319 July 20, 1993 Holley et al.
5669281 September 23, 1997 Young
Patent History
Patent number: D346733
Type: Grant
Filed: Oct 20, 1993
Date of Patent: May 10, 1994
Assignee: Kensington Microware Limited (San Mateo, CA)
Inventors: Stewart R. Carl (Palo Alto, CA), Arthur H. Zarnowitz (Burlingame, CA)
Primary Examiner: Brian N. Vinson
Law Firm: Townsend and Townsend Khourie and Crew
Application Number: 0/14,406
Classifications
Current U.S. Class: D/8343