Track ball
Latest Sysgration Ltd. Patents:
Description
FIG. 1 is a perspective view of a track ball showing my design;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a rear perspective view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right rear perspective view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Referenced Cited
Patent History
Patent number: D387043
Type: Grant
Filed: Jul 25, 1996
Date of Patent: Dec 2, 1997
Assignee: Sysgration Ltd. (Taipei Hsien)
Inventor: Fu Chin Cheng (Hsin Tien)
Primary Examiner: Kay H. Chin
Law Firm: Bacon & Thomas
Application Number: 0/57,438
Type: Grant
Filed: Jul 25, 1996
Date of Patent: Dec 2, 1997
Assignee: Sysgration Ltd. (Taipei Hsien)
Inventor: Fu Chin Cheng (Hsin Tien)
Primary Examiner: Kay H. Chin
Law Firm: Bacon & Thomas
Application Number: 0/57,438
Classifications
Current U.S. Class:
D14/114
International Classification: 1402;
International Classification: 1402;