IP Library Assignment 037033/0844
Patent Assignment
Reel/Frame 037033/0844

Assignment of Assignor's Interest

Recorded: 2015-11-13 Pages: 9
Assignors
DUGONJIC-BILIC, FATIMA
Executed: 2015-10-24
USENER, CAROLIN
Executed: 2015-10-28
NEUBER, MARITA
Executed: 2015-10-23
PFAHLS, MARGARETHE
Executed: 2015-10-31
WISSEL, MARION
Executed: 2015-10-26
Assignee
TOUGAS OILFIELD SOLUTIONS GMBH
WEISMUELLERSTRASSE 50, FRANKFURT AM MAIN, 60314, GERMANY
Covered Property (1)
Temperature-Stable, Electrolytic Hydrogel and Method for Stimulating Crude Oil and Natural Gas Deposits
Patent: 9,688,908 →
Application: 14/890,196 →
Publication: US 2016/0122627
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 14, 2025
From: TOUGAS OILFIELD SOLUTIONS GMBH
To: TOUGAS HOLDING GMBH
Reel/Frame 073210/0029 →