IP Library › Granted Patent US 841,896
Granted Patent S1
US 841,896 · App. 29/535,321 · Granted Feb 26, 2019

Auto-darkening welding filter display screen with touch graphical user interface

Inventor: Ziqian Wu (Nanjing, CN)
Assignee: Tecmen Electronics Co., Ltd.
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Quick Facts
Patent No.
US 841,896
App. No.
29/535,321
Granted
Feb 26, 2019
Kind
S1
Claims (1)

The ornamental design for an auto-darkening welding filter display screen with touch graphical user interface, as shown and described.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 17, 2023
From: TECMEN ELECTRONICS CO., LTD.
To: TECMEN ELECTRONICS CO., LTD
Reel/Frame 063353/0937 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 5, 2015
From: WU, ZIQIAN
To: TECMEN ELECTRONICS CO., LTD.
Reel/Frame 036283/0743 →
Priority Claims (1)
CN 2015 3 0087743 · Apr 7, 2015 · national