Patent Assignment
Reel/Frame 055230/0778
Assignment of Assignor's Interest
Recorded: 2021-02-11
Pages: 3
Assignee
ANPAC BIO-MEDICAL SCIENCE CO., LTD.
SHRM TRUSTEES (BVI) LIMITED OF TRINITY CHAMBERS, ROAD TOWN, P.O. BOX 4301, TORTOLA, VIRGIN ISLANDS, BRITISH
Covered Property
(1)
Novel Masks for Disease Prevention and Methods for Producing the Same
Application:
17/172,911 →
Publication:
US 2021/0244977
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 20, 2022
From: ANPAC BIO-MEDICAL SCIENCE CO., LTD.
To: CHANGWEI SYSTEM TECHNOLOGY (SHANGHAI) CO., LTD.
Reel/Frame 060567/0048 →
Assignment of Assignor's Interest
Oct 25, 2023
From: CHANGWEI SYSTEM TECHNOLOGY (SHANGHAI) CO., LTD.
To: NING KASAI TECHNOLOGY (SHANGHAI) CO., LTD.
Reel/Frame 065342/0832 →