Patent Assignment
Reel/Frame 021483/0042
Corrective Assignment to Correct the Attorney Docket Number. Document Previously Recorded at Reel 021384 Frame 0028.
Recorded: 2008-09-04
Pages: 7
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
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.