Patent Assignment
Reel/Frame 008914/0514
Assignment of Assignor's Interest
Recorded: 1997-12-23
Pages: 2
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
OLD ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property
(1)
Chemical Mechanical Polishing Slurry for Tungsten
Patent:
6,284,151 →
Application:
08/997,289 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 29, 2006
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: CABOT MICROELECTRONICS CORPORATION
Reel/Frame 018323/0129 →
Notice of Security Interest in Patents
Feb 16, 2012
From: CABOT MICROELECTRONICS CORPORATION
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 027727/0275 →
Release of Security Interest
Nov 16, 2018
From: BANK OF AMERICA, N.A.
To: CABOT MICROELECTRONICS CORPORATION
Reel/Frame 047587/0119 →