IP Library › Assignment 009025/0257
Patent Assignment
Reel/Frame 009025/0257

Assignment of Assignor's Interest

Recorded: 1998-02-25 Pages: 2
Assignor
CESNA, JOSEPH V.
Executed: 1998-02-16
Assignee
SPEEDFAM CORPORATION
509 NORTH THIRD AVENUE, DES PLAINES, ILLINOIS, 60016
Covered Property (1)
Apparatus and Method for the Face-Up Surface Treatment of Wafers
Patent: 6,168,683 →
Application: 09/028,791 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 27, 1999
From: SPEEDFAM CORPORATION
To: SPEEDFAM-IPEC CORPORATION
Reel/Frame 010272/0472 →
Assignment of Assignor's Interest Sep 28, 2007
From: SPEEDFAM-IPEC CORPORATION
To: NOVELLUS SYSTEMS, INC.
Reel/Frame 019892/0207 →