Patent Assignment
Reel/Frame 009637/0124
Assignment of Assignor's Interest
Recorded: 1998-12-14
Pages: 2
Assignor
DUDOVICZ, WALTER
Executed: 1998-07-07
Assignee
SCAPA GROUP PLC
OAKFIELD HOUSE, 93 PRESTON NEW ROAD, BLACKBURN, LANCASHIRE, ENGLAND, UNITED KINGDOM
Covered Property
(1)
Polishing Silicon Wafers
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 17, 2001
From: SCAPA GROUP PLC
To: PERIPHERAL PRODUCTS, INC.
Reel/Frame 011808/0057 →
Assignment of Assignor's Interest
May 28, 2003
From: PRAXAIR CMP PRODUCTS INC.
To: PRAXAIR S.T. TECHNOLOGY, INC.
Reel/Frame 014438/0528 →
Change of Name
Jun 16, 2003
From: PERIPHERAL PRODUCTS, INC.
To: PRAXAIR CMP PRODUCTS INC.
Reel/Frame 014162/0901 →
Assignment of Assignor's Interest
Jun 16, 2003
From: PRAXAIR CMP PRODUCTS, INC.
To: PRAXAIR S. T. TECHNOLOGY, INC.
Reel/Frame 014172/0988 →
Assignment of Assignor's Interest
Apr 23, 2009
From: PRAXAIR S.T. TECHNOLOGY, INC.
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 022584/0016 →
Assignment of Assignor's Interest
Jul 18, 2014
From: PRAXAIR S. T. TECHNOLOGY, INC.
To: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.
Reel/Frame 033340/0155 →