Speed controller
Description
The broken lines in the figures illustrate portions of the article that form no part of the claimed design.
Claims
The ornamental design for a speed controller, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D922335
Type: Grant
Filed: Nov 12, 2020
Date of Patent: Jun 15, 2021
Inventor: Qing Lu (Guangdong)
Primary Examiner: Selina Sikder
Application Number: 29/758,058
Type: Grant
Filed: Nov 12, 2020
Date of Patent: Jun 15, 2021
Inventor: Qing Lu (Guangdong)
Primary Examiner: Selina Sikder
Application Number: 29/758,058
Classifications
Current U.S. Class:
Hand Held Or Remote Type (D13/168)