Patent Assignment
Reel/Frame 011707/0957
Assignment of Assignor's Interest
Recorded: 2001-04-04
Pages: 2
Assignors
WENSKI, GUIDO
Executed: 2001-03-30
HEIER, GERHARD
Executed: 2001-03-30
WINKLER, WOLFGANG
Executed: 2001-03-30
ALTMANN, THOMAS
Executed: 2001-03-30
Assignee
WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALIEN AG
JOHANNES-HESS-STRASSE 24, D-84489 BURGHAUSEN, GERMANY
Covered Property
(1)
Process for the Double-Side Polishing of Semiconductor Wafers and Carrier for Carrying Out the Process
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Jul 30, 2004
From: WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALIEN AKTIENGESELLSCHAFT
To: SILTRONIC AG
Reel/Frame 015596/0720 →
Change of Address
Jun 30, 2021
From: SILTRONIC AG
To: SILTRONIC AG
Reel/Frame 056719/0881 →
Corrective Assignment to Correct the Date of the Change of Address from 03/12/2020 to 12/03/2020 Previously Recorded at Reel: 056719 Frame: 0881. Assignor(S) Hereby Confirms the Assignment.
Jul 1, 2021
From: SILTRONIC AG
To: SILTRONIC AG
Reel/Frame 057561/0451 →