Trailer hitch monitoring system
Description
FIG. 1 is a front elevational view of a trailer hitch monitoring system showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a side elevational view thereof; and,
FIG. 4 is a top plan view thereof.
Claims
The ornamental design for a trailer hitch monitoring system, as shown and described.
Referenced Cited
Patent History
Patent number: D515950
Type: Grant
Filed: Apr 5, 2004
Date of Patent: Feb 28, 2006
Inventors: Jim A. Kingsley (Rochester, MN), Diane M. Sorensen (Rochester, MN)
Primary Examiner: Antoine D. Davis
Application Number: 29/202,747
Type: Grant
Filed: Apr 5, 2004
Date of Patent: Feb 28, 2006
Inventors: Jim A. Kingsley (Rochester, MN), Diane M. Sorensen (Rochester, MN)
Primary Examiner: Antoine D. Davis
Application Number: 29/202,747
Classifications
Current U.S. Class:
Linear Or Distance (9) (D10/70)