Combined global positioning system antenna and preamplifier
Tang April 19, 1
U.S. patent number D346,170 [Application Number 07/870,704] was granted by the patent office on 1994-04-19 for combined global positioning system antenna and preamplifier. This patent grant is currently assigned to Trimble Navigation Limited. Invention is credited to John G. Tang.
| United States Patent | D346,170 |
| Tang | April 19, 1994 |
Combined global positioning system antenna and preamplifier
Claims
The ornamental design for a combined global positioning system antenna and preamplifier, as shown and described.
| Inventors: | Tang; John G. (San Carlos, CA) |
|---|---|
| Assignee: | Trimble Navigation Limited
(Sunnyvale, CA) |
| Appl. No.: | 07/870,704 |
| Filed: | April 17, 1992 |
| Current U.S. Class: | D14/230 |
| Field of Search: | ;343/703,720,872 ;342/352 ;D14/230 |
References Cited [Referenced By]
U.S. Patent Documents
| D304944 | December 1989 | Behringer |
| D327690 | July 1992 | Ogawa et al. |
| D338206 | August 1993 | Sawaguchi et al. |
| 2565900 | August 1951 | Wiley |
| 4878062 | October 1989 | Craven et al. |
Assistant Examiner: Shelton; Richelle
Attorney, Agent or Firm: Schatzel; Thomas E.
Description
FIG. 1 is a top, front and left side perspective view of a combined global positioning system antenna and preamplifier for a portable grid locator showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The electric cord in FIGS. 1-4, 6, and 7 is fragmentarily shown for the convenience of illustration.
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