Patent Assignment
Reel/Frame 063655/0299
Assignment of Assignor's Interest
Recorded: 2023-05-16
Pages: 3
Assignee
ZHANG, LEI
ROOM 2021, BUILDING 23, HUIXIN EAST STREET, CHAOYANG DISTRICT, BEIJING, CHINA
Covered Property
(1)
Pipe Cleaner
Patent:
1,045,282 →
Application:
29/891,919 →