Trackball
Latest Group Intellect Technology Limited Patents:
Description
Claims
The ornamental design for a trackball, as shown and described.
Referenced Cited
U.S. Patent Documents
D289306 | April 14, 1987 | Burnstein |
D291318 | August 11, 1987 | Kim |
D301256 | May 23, 1989 | Iwata |
D303662 | September 26, 1989 | Hsiao |
D315552 | March 19, 1991 | Sacherman |
D320199 | September 24, 1991 | Koh |
D322605 | December 24, 1991 | Hayes |
D326261 | May 19, 1992 | Ashmun |
D332093 | December 29, 1992 | Yang |
D333818 | March 9, 1993 | Yang |
D335658 | May 18, 1993 | Barry |
D352039 | November 1, 1994 | Yurkonis |
D387043 | December 2, 1997 | Cheng |
D432131 | October 17, 2000 | Jones |
D829801 | October 2, 2018 | Park |
Patent History
Patent number: D885388
Type: Grant
Filed: Jan 21, 2019
Date of Patent: May 26, 2020
Assignee: Group Intellect Technology Limited (Kowloon)
Inventor: Chu Kwok Woo (Kowloon)
Primary Examiner: Austin Murphy
Application Number: 29/677,434
Type: Grant
Filed: Jan 21, 2019
Date of Patent: May 26, 2020
Assignee: Group Intellect Technology Limited (Kowloon)
Inventor: Chu Kwok Woo (Kowloon)
Primary Examiner: Austin Murphy
Application Number: 29/677,434
Classifications
Current U.S. Class:
Trackball (D14/417)