Optical time-domain reflectometer
Description
Claims
The ornamental design for an optical time-domain reflectometer, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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Patent History
Patent number: D804972
Type: Grant
Filed: Sep 10, 2016
Date of Patent: Dec 12, 2017
Assignee: INNO INSTRUMENT (CHINA) .INC (Weihai)
Inventor: Yangri Zhao (WeiHai)
Primary Examiner: Sheryl Lane
Assistant Examiner: Calvin E Vansant
Application Number: 29/577,214
Type: Grant
Filed: Sep 10, 2016
Date of Patent: Dec 12, 2017
Assignee: INNO INSTRUMENT (CHINA) .INC (Weihai)
Inventor: Yangri Zhao (WeiHai)
Primary Examiner: Sheryl Lane
Assistant Examiner: Calvin E Vansant
Application Number: 29/577,214
Classifications
Current U.S. Class:
Provided With Handle, Or Hand-held (D10/78)