IP Library › Assignment 019528/0121
Patent Assignment
Reel/Frame 019528/0121

Assignment of Assignor's Interest

Recorded: 2007-07-09 Pages: 2
Assignors
PIETSCH, GEORG
Executed: 2007-06-25
KERSTAN, MICHAEL
Executed: 2007-06-25
Assignee
SILTRONIC AG
HANNS-SEIDEL-PLATZ 4, MUNICH, 48075, GERMANY
Covered Property (1)
Method for the Simultaneous Double-Side Grinding of a Plurality of Semiconductor Wafers
Patent: 7,815,489 →
Application: 11/774,675 →
Publication: US 2008/0014839
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 30, 2009
From: AUS DEM SPRING, HEIKO
To: SILTRONIC AG
Reel/Frame 023028/0561 →
Assignment of Assignor's Interest Aug 4, 2009
From: SILTRONIC AG
To: PETER WOLTERS GMBH
Reel/Frame 023048/0857 →
Assignment of Assignor's Interest Jan 12, 2022
From: SILTRONIC AG
To: LAPMASTER WOLTERS GMBH
Reel/Frame 058628/0135 →
Change of Name Mar 23, 2022
From: PETER WOLTERS GMBH
To: LAPMASTER WOLTERS GMBH
Reel/Frame 060222/0639 →