IP Library › Assignment 021988/0354
Patent Assignment
Reel/Frame 021988/0354

Assignment of Assignor's Interest

Recorded: 2008-12-16 Pages: 7
Assignors
ALTHERR, ANDREAS
Executed: 2008-11-14
ENDRES, KLAUS
Executed: 2008-11-28
REINHARD, BERND
Executed: 2008-11-14
SCHMIDT, HELMUT
Executed: 2008-11-03
Assignee
KRAIBURG GEOTECH GMBH
IM HELMERSWALD 2, SAARBRUECKEN, 66121, GERMANY
Covered Property (1)
Consolidated Proppants Having High Mechanical Strength and Process for the Preparation Thereof
Patent: 8,003,580 →
Application: 12/294,327 →
Publication: US 2009/0264323
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name May 13, 2013
From: KRAIBURG GEOTECH GMBH
To: ADVANCED GEOTECH (AGT) GMBH
Reel/Frame 030404/0840 →
Assignment of Assignor's Interest Jun 20, 2013
From: ADVANCED GEOTECH (AGT) GMBH
To: EPG (ENGINEERED NANOPRODUCTS GERMANY) AG
Reel/Frame 030654/0790 →