IP Library › Granted Patent US 830,003
Granted Patent S1
US 830,003 · App. 29/596,797 · Granted Oct 2, 2018

Flip-up auto darkening welding helmet

Inventor: Ziqian Wu (Nanjing, CN)
Assignee: Tecmen Electronics Co., Ltd.
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Quick Facts
Patent No.
US 830,003
App. No.
29/596,797
Granted
Oct 2, 2018
Kind
S1
Claims (1)

The ornamental design for a flip-up auto darkening welding helmet, 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 Apr 3, 2017
From: WU, ZIQIAN
To: TECMEN ELECTRONICS CO., LTD.
Reel/Frame 042134/0311 →
Priority Claims (1)
CN 2016 3 0505620 · Oct 17, 2016 · national