Voltage tester pen having a display screen with graphical user
The subject matter in this patent includes a process or period in which an image changes into another image. This process or period forms no part of the claimed design. The solid peripheral line rectangle depicts a display screen. The broken lines depict portions of the voltage tester pen and form no part of the claimed design.
Claims
The ornamental design for a voltage tester pen having a display screen with graphical user as shown and described.
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Type: Grant
Filed: Dec 29, 2023
Date of Patent: Dec 9, 2025
Assignee: DONGGUAN HABOTEST INSTRUMENT TECHNOLOGY CO., LTD. (Dongguan)
Inventor: Xiaofeng Yang (Shenzhen)
Primary Examiner: Nicole C Shiflet
Application Number: 29/923,375