Patent Assignment
Reel/Frame 021211/0904
Assignment of Assignor's Interest
Recorded: 2008-07-09
Pages: 11
Assignor
FRANK (DECEASED), WERNER JAKOB
Executed: 2004-10-31
Assignee
BALCKE-DURR GMBH
ERNST-DIETRICH-PLATZ 2, RATINGEN, 40882, GERMANY
Covered Property
(1)
Method and Apparatus for Electrostatically Charging and Separating Particles That Are Difficult to Separate
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 3, 2020
From: BALCKE-DUERR GMBH
To: BALCKE-DUERR ROTHEMUEHLE GMBH
Reel/Frame 051701/0443 →
Change of Name
Oct 11, 2022
From: BALCKE-DUERR ROTHEMUEHLE GMBH
To: HOWDEN ROTHEMUEHLE GMBH
Reel/Frame 061907/0889 →
Assignment of Assignor's Interest
Dec 1, 2022
From: HOWDEN ROTHEMUEHLE GMBH
To: WALLSTEIN ROTHEMUEHLE SP. Z O.O.
Reel/Frame 061933/0465 →