IP Library › Assignment 022557/0989
Patent Assignment
Reel/Frame 022557/0989

Assignment of Assignor's Interest

Recorded: 2009-04-17 Pages: 3
Assignors
HANDSCHUCK, BERNHARD
Executed: 2009-03-30
EILERS, HELMUT
Executed: 2009-04-03
Assignee
PETROTEST INSTRUMENTS GMBH & CO. KG
LUDWIG-ERHARD-RING 13, DAHLEWITZ, 15827, GERMANY
Covered Property (1)
Method and Device for Determining the Degree of Hardness of Semisolid Materials
Patent: 8,201,441 →
Application: 12/445,941 →
Publication: US 2010/0313638
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 1, 2015
From: PETROTEST INSTRUMENTS GMBH & CO. KG
To: VERWALTUNG PETROTEST INSTRUMENTS GMBH
Reel/Frame 035563/0373 →
Change of Name May 13, 2015
From: VERWALTUNG PETROTEST INSTRUMENTS GMBH
To: PETROTEST GMBH
Reel/Frame 035652/0686 →
Change of Name May 13, 2015
From: PETROTEST GMBH
To: ANTON PAAR PROVETEC GMBH
Reel/Frame 035654/0758 →