Patent Assignment
Reel/Frame 027476/0535
Assignment of Assignor's Interest
Recorded: 2012-01-04
Pages: 5
Assignee
PHOENIX DICHTUNGSTECHNIK GMBH
EISENACHER LANDSTRASSE 70, WALTERSHAUSEN, 99880, GERMANY
Covered Property
(1)
Sealing Arrangement for Shaft and Tunnel Construction
Application:
13/262,306 →
Publication:
US 2012/0121338
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 18, 2012
From: PHOENIX DICHTUNGSTECHNIK GMBH
To: DAETWYLER SEALING TECHNOLOGIES DEUTSCHLAND GMH
Reel/Frame 029489/0415 →
Assignment of Assignor's Interest
Aug 27, 2013
From: DAETWYLER SEALING TECHNOLOGIES DEUTSCHLAND GMBH
To: DAETWYLER SEALING TECHNOLOGIES DEUTSCHLAND GMBH
Reel/Frame 031254/0282 →