Patent Assignment
Reel/Frame 043604/0850
Assignment of Assignor's Interest
Recorded: 2017-08-18
Pages: 4
Assignors
PHAM, XUYEN
Executed: 2017-07-31
CHAI, ZHI
Executed: 2017-07-31
FANG, SHICAI
Executed: 2017-07-31
Assignee
PIOTECH CO., LTD.
3RD FL, NO. 1-1, XINYUAN STREET, HUNNAN INDUSTRIAL ZONE, SHENYANG, CHINA
Covered Property
(1)
Ceramic Ring with a Ladder Structure
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Mar 4, 2021
From: PIOTECH CO., LTD.
To: PIOTECH INC.
Reel/Frame 055554/0595 →
Corrective Assignment to Correct the Assignee Address Previously Recorded at Reel: 055554 Frame: 0595. Assignor(S) Hereby Confirms the Change of Name.
Apr 21, 2021
From: PIOTECH CO., LTD.
To: PIOTECH INC.
Reel/Frame 057228/0601 →