Ergonomic pen

Description

FIG. 1 is a front elevational view of an ergonomic pen showing my new design;

FIG. 2 is a side elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a side elevational view of the side opposite that shown in FIG. 2; and,

FIG. 5 is an exploded perspective view thereof.

Referenced Cited
U.S. Patent Documents
D228418 September 1973 Locke
D248028 May 30, 1978 Huffman
D256925 September 16, 1980 Postrehovsky-Axel
D292104 September 29, 1987 Keller, Jr.
D313624 January 8, 1991 Ferjan
836652 November 1906 Rosdahl
Foreign Patent Documents
2729749 January 1979 DEX
3805997 September 1988 DEX
4031470 April 1992 DEX
0024610 1906 GBX
Patent History
Patent number: D359508
Type: Grant
Filed: Feb 2, 1994
Date of Patent: Jun 20, 1995
Inventor: Charles G. Debbas (Emeryville, CA)
Primary Examiner: Martie Thompson
Application Number: 0/18,225