Assignment of Assignor's Interest

Recorded: 1998-05-15 Pages: 2

Assignor

CESNA, JOSEPH V.

Executed: 1998-05-04

Assignee

SPEEDFAM CORPORATION

305 NORTH 54TH STREET, CHANDLER, ARIZONA, 85226

Covered Property (1)

Wafer Polishng with Improved Backing Arrangement

Patent: 6,142,857 →

Application: 09/079,729 →

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.