Digital speed drum gauge
Description
Claims
The ornamental design for a digital speed drum gauge, as shown and described.
Referenced Cited
Patent History
Patent number: D793885
Type: Grant
Filed: Feb 15, 2016
Date of Patent: Aug 8, 2017
Inventors: Yanchen Zhang (San Clemente, CA), Meng Zhang (San Clemente, CA)
Primary Examiner: Antoine D Davis
Application Number: 29/554,786
Type: Grant
Filed: Feb 15, 2016
Date of Patent: Aug 8, 2017
Inventors: Yanchen Zhang (San Clemente, CA), Meng Zhang (San Clemente, CA)
Primary Examiner: Antoine D Davis
Application Number: 29/554,786
Classifications
Current U.S. Class:
Micrometer, Caliper Or Divider Type (D10/73)