IP Library › Assignment 021384/0028
Patent Assignment
Reel/Frame 021384/0028

Assignment of Assignor's Interest

Recorded: 2008-08-13 Pages: 5
Assignors
HSU, GISHUN
Executed: 2008-07-21
MERRILL, CHARLES
Executed: 2008-07-16
STODDARD, SCOTT
Executed: 2008-07-29
Assignee
NOVELLUS SYSTEMS, INC.
3970 NORTH FIRST STREET, SAN JOSE, CALIFORNIA, 95134
Covered Property (1)
Method for Purifying Acetylene Gas for Use in Semiconductor Processes
Patent: 7,820,556 →
Application: 12/133,223 →
Publication: US 2009/0305516
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Attorney Docket Number. Document Previously Recorded at Reel 021384 Frame 0028. Sep 4, 2008
From: HSU, GISHUN; MERRILL, CHARLES; STODDARD, SCOTT
To: NOVELLUS SYSTEMS, INC.
Reel/Frame 021483/0042 →