Data logger
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Description
The broken lines are for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design for a data logger, as shown and described.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D976721
Type: Grant
Filed: Apr 21, 2021
Date of Patent: Jan 31, 2023
Assignee: GRAPHTEC CORPORATION (Kanagawa)
Inventors: Takahisa Umezawa (Kanagawa), Makoto Iwadare (Kanagawa)
Primary Examiner: Antoine D Davis
Application Number: 29/779,940
Type: Grant
Filed: Apr 21, 2021
Date of Patent: Jan 31, 2023
Assignee: GRAPHTEC CORPORATION (Kanagawa)
Inventors: Takahisa Umezawa (Kanagawa), Makoto Iwadare (Kanagawa)
Primary Examiner: Antoine D Davis
Application Number: 29/779,940
Classifications