IP Library › Granted Patent US 1,121,894
Granted Patent S1
US 1,121,894 · App. 29/986,168 · Granted Apr 7, 2026

Baby protective earmuff

Inventors: Hongchun Li (Tokyo, JP); Zhongqing Wang (Tokyo, JP)
Assignee: Zero plus Technology Co., Ltd.
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Quick Facts
Patent No.
US 1,121,894
App. No.
29/986,168
Granted
Apr 7, 2026
Kind
S1
Claims (1)

The ornamental design for a baby protective earmuff, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 25, 2025
From: LI, HONGCHUN; WANG, ZHONGQING
To: ZERO PLUS TECHNOLOGY CO., LTD.
Reel/Frame 070007/0933 →
Priority Claims (1)
JP 2024-023680 D · Nov 15, 2024 · national
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