Patent Assignment
Reel/Frame 051319/0502
Assignment of Assignor's Interest
Recorded: 2019-12-18
Pages: 3
Assignors
ZHANG, QI
Executed: 2019-04-22
LU, XINLIANG
Executed: 2019-04-22
CHUNG, HUA
Executed: 2019-04-24
Assignee
MATTSON TECHNOLOGY, INC.
47131 BAYSIDE PARKWAY, FREMONT, CALIFORNIA, 94538
Covered Property
(1)
Surface Smoothing of Workpieces
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 18, 2019
From: MATTSON TECHNOLOGY, INC.
To: MATTSON TECHNOLOGY, INC.; BEIJING E-TOWN SEMICONDUCTOR TECHNOLOGY, CO., LTD
Reel/Frame 051319/0546 →
Security Interest
Oct 19, 2020
From: MATTSON TECHNOLOGY, INC.
To: EAST WEST BANK
Reel/Frame 054100/0167 →
Release of Security Interest
Apr 15, 2021
From: EAST WEST BANK
To: MATTSON TECHNOLOGY, INC.
Reel/Frame 055950/0452 →