IP Library › Granted Patent US 654,224
Granted Patent S1
US 654,224 · App. 29/397,930 · Granted Feb 14, 2012

Welding helmet

Assignee: Tecmen Electronics Co., Ltd.
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Quick Facts
Patent No.
US 654,224
App. No.
29/397,930
Granted
Feb 14, 2012
Kind
S1
Claims (1)

The ornamental design for a 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 Aug 29, 2011
From: WU, ZIQIAN
To: TECMEN ELECTRONICS CO., LTD.
Reel/Frame 026821/0895 →