Granted Patent
S1
US 899,698 · App. 29/664,635 · Granted Oct 20, 2020
Protective helmet
Assignee:
Tecmen Electronics Co., Ltd.
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Claims (1)
The ornamental design for a protective 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 Sep 26, 2018
From: WU, ZIQIAN
To: TECMEN ELECTRONICS CO., LTD.
Reel/Frame 046984/0984 →
Priority Claims (1)
CN 2018 3 0134252
· Apr 4, 2018
· national