IP Library › Granted Patent US 900,399
Granted Patent S1
US 900,399 · App. 29/664,634 · Granted Oct 27, 2020

Protective helmet

Inventor: Ziqian Wu (Nanjing, CN)
Assignee: Tecmen Electronics Co., Ltd.
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Quick Facts
Patent No.
US 900,399
App. No.
29/664,634
Granted
Oct 27, 2020
Kind
S1
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 046984/0948 →
Priority Claims (1)
CN 2018 3 0134864 · Apr 4, 2018 · national