IP Library Assignment 049298/0361
Patent Assignment
Reel/Frame 049298/0361

Assignment of Assignor's Interest

Recorded: 2019-05-29 Pages: 3
Assignors
DU, CONG
Executed: 2019-05-29
DU, YUANDONG
Executed: 2019-05-29
Assignee
HUBEI DSTECH CO. LTD
D3-3, GUANGGU UNITED SCIENCE AND TECHNOLOGY CITY, HIGH-TECH 3RD ROAD, GEDIAN DEVELOPMENT DISTRICT, EZHOU, CHINA
Covered Property (1)
Floor Cleaner and Water Sink Structure Thereof
Application: 16/424,515 →
Publication: US 2019/0274511
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 15, 2025
From: HUBEI DSTECH CO. LTD
To: WUHAN WATER DUST CIRCULATION TECHNOLOGY RESEARCH CO., LTD
Reel/Frame 072572/0995 →