Security trailer hitch ball
Description
FIG. 1 is a front elevational view of the security trailer hitch ball showing my new design;
FIG. 2 is a rear 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 top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
Referenced Cited
Patent History
Patent number: D342472
Type: Grant
Filed: Oct 7, 1992
Date of Patent: Dec 21, 1993
Inventor: Gregory L. Harper (Collierville, TN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Melody Brown
Attorney: Hugh E. Smith
Application Number: 0/150
Type: Grant
Filed: Oct 7, 1992
Date of Patent: Dec 21, 1993
Inventor: Gregory L. Harper (Collierville, TN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Melody Brown
Attorney: Hugh E. Smith
Application Number: 0/150
Classifications
Current U.S. Class:
Draw Element, E.g., Trailer Hitch (D12/162)