Patent Assignment
Reel/Frame 055198/0633
Assignment of Assignor's Interest
Recorded: 2021-02-09
Pages: 4
Assignors
HUANG, JINFENG
Executed: 2020-09-04
ZHANG, JIN
Executed: 2020-09-06
ZHANG, CHENG
Executed: 2020-09-05
ZHAO, CHAO
Executed: 2020-09-06
LIAN, YONG
Executed: 2020-09-06
LI, JIANQIANG
Executed: 2020-09-05
ZHANG, CHENG, MR.
Executed: 2020-09-05
Assignee
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
NO. 30 XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING, 100083, CHINA
Covered Property
(1)
Hot-Work Die Steel and a Preparation Method Thereof