IP Library › Assignment 025473/0305
Patent Assignment
Reel/Frame 025473/0305

Assignment of Assignor's Interest

Recorded: 2010-12-11 Pages: 6
Assignors
SAENGER, ERIK
Executed: 2007-11-14
STEINER, BRIAN
Executed: 2007-11-13
SCHMALHOLZ, STEFAN
Executed: 2007-11-13
Assignee
SPECTRASEIS AG
GIESSEREISTRASSE 5, ZURICH, CH-8005, SWITZERLAND
Covered Properties (4)
Time Reverse Reservoir Localization
Patent: 7,675,815 →
Application: 12/017,527 →
Publication: US 2008/0175101
Time Reverse Reservoir Localization
Application: 12/718,979 →
Publication: US 2010/0161233
Time Reverse Reservoir Localization
Application: 12/719,885 →
Publication: US 2010/0161234
Time Reverse Reservoir Localization
Patent: 8,068,384 →
Application: 12/719,984 →
Publication: US 2010/0157732
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Merger and Change of Name Jan 18, 2017
From: SPECTRASEIS AG; BTG ECLEPENS SA
To: BTG ECLEPENS SA
Reel/Frame 041391/0275 →
Assignment of Assignor's Interest Nov 27, 2019
From: BTG ECLÉPENS SA
To: SPECTRASEIS INC.
Reel/Frame 051129/0457 →