IP Library › Granted Patent US 716,506
Granted Patent S1
US 716,506 · App. 29/476,724 · Granted Oct 28, 2014

Air supply attachment for a head belt of a welding helmet

Inventor: Ziqian Wu (Nanjing, CN)
Assignee: Tecmen Electronics Co., Ltd.
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Quick Facts
Patent No.
US 716,506
App. No.
29/476,724
Granted
Oct 28, 2014
Kind
S1
Claims (1)

The ornamental design for an air supply attachment for a head belt of a welding helmet, as shown and described.

Assignments (3)
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 Dec 17, 2013
From: D'ALUISIO, CHRISTOPHER P.; EGGER, ROBERT F.; CALLAHAN, JEAN-LUC; FRASCA, ANDREW
To: SPECIALIZED BICYCLE COMPONENTS, INC.
Reel/Frame 031797/0245 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 16, 2013
From: WU, ZIQIAN
To: TECMEN ELECTRONICS CO., LTD.
Reel/Frame 031793/0011 →