IP Library › Assignment 059537/0154
Patent Assignment
Reel/Frame 059537/0154

Assignment of Assignor's Interest

Recorded: 2022-04-07 Pages: 3
Assignor
Assignee
HUBEI HIGHLAND GRAPHENE TECHNOLOGY CO., LTD.
NO. 29, XIAOHAN AVENUE, XIAOGAN, CHINA
Covered Property (1)
A preparation method of graphene as well as graphene oxide based on anthracite
Patent: 9,938,150 →
Application: 15/106,840 →
Publication: US 2016/0347617
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 21, 2016
From: ZHANG, LINDE; ZHANG, MINGDONG
To: SHENZHEN CANTONNET ENERGY SERVICES CO. , LTD.
Reel/Frame 039092/0682 →
Assignment of Assignor's Interest Aug 1, 2025
From: HUBEI HIGHLAND GRAPHENE TECHNOLOGY CO., LTD.
To: CARBON NANO ENGINEERING SYSTEMS CO., LTD.
Reel/Frame 071904/0322 →
Assignment of Assignor's Interest Apr 20, 2026
From: CARBON NANO ENGINEERING SYSTEMS CO., LTD.
To: HUNAN YUANCHANG NEW MATERIAL TECHNOLOGY CO., LTD.
Reel/Frame 074413/0589 →