Ergonomic trackball
Canavan October 22, 1
U.S. patent number D374,867 [Application Number D/040,132] was granted by the patent office on 1996-10-22 for ergonomic trackball. This patent grant is currently assigned to Logitech, Inc.. Invention is credited to Eugene Canavan.
| United States Patent | D374,867 |
| Canavan | October 22, 1996 |
Ergonomic trackball
Claims
The ornamental design for an ergonomic trackball, as shown.
| Inventors: | Canavan; Eugene (Dublin, IE) |
|---|---|
| Assignee: | Logitech, Inc. (Fremont,
CA) |
| Appl. No.: | D/040,132 |
| Filed: | June 9, 1995 |
| Current U.S. Class: | D14/417 |
| Field of Search: | ;D14/114 ;D9/307 ;D13/158 ;D21/13,48 ;74/471XY ;200/5A,5R,6A,6R,341 ;273/148B,438 ;178/18,19 ;345/156,158,159,161-167 |
References Cited [Referenced By]
U.S. Patent Documents
| D331398 | December 1992 | Clouss et al. |
| 4862165 | August 1989 | Gart |
| 4917516 | April 1990 | Retter |
| 4952919 | August 1990 | Nippoldt |
| 5355147 | October 1994 | Lear |
Attorney, Agent or Firm: Eakin; James E.
Description
FIG. 1 is a front, elevated, left side perspective view of the ergonomic trackball showing our new design;
FIG. 2 is a rear, elevated, right side perspective view of the ergonomic trackball of FIG. 1;
FIG. 3 is a top plan view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a rear elevational view thereof; and,
FIG. 8 is a front elevational view thereof.
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