IP Library › Assignment 019861/0731
Patent Assignment
Reel/Frame 019861/0731

Assignment of Assignor's Interest

Recorded: 2007-09-21 Pages: 3
Assignors
DIAO, LI
Executed: 2007-09-17
XU, SONGLIN
Executed: 2007-09-17
Assignee
MATTSON TECHNOLOGY, INC
47131 BAYSIDE PARKWAY, FREMONT, CALIFORNIA, 94538
Covered Property (1)
Advanced Processing Technique and System for Preserving Tungsten in a Device Structure
Patent: 8,093,157 →
Application: 11/773,382 →
Publication: US 2009/0011615
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest Aug 27, 2018
From: MATTSON TECHNOLOGY, INC.
To: EAST WEST BANK
Reel/Frame 046956/0348 →
Assignment of Assignor's Interest Sep 30, 2019
From: MATTSON TECHNOLOGY, INC.
To: MATTSON TECHNOLOGY, INC.; BEIJING E-TOWN SEMICONDUCTOR TECHNOLOGY, CO., LTD
Reel/Frame 050582/0796 →
Release of Security Interest Apr 15, 2021
From: EAST WEST BANK
To: MATTSON TECHNOLOGY, INC.
Reel/Frame 055950/0452 →