IP Library › Assignment 019958/0555
Patent Assignment
Reel/Frame 019958/0555

Assignment of Assignor's Interest

Recorded: 2007-10-13 Pages: 3
Assignor
SAENGER, ERIK HANS, MR.
Executed: 2007-05-07
Assignee
SPECTRASEIS AG
GIESSESREISTRASSE 5, ZURICH, CH-8005, SWITZERLAND
Covered Property (1)
Signal Integration Measure for Seismic Data
Patent: 7,590,491 →
Application: 11/772,339 →
Publication: US 2008/0021655
Related Assignments (2)
Other recorded transfers of the patent 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 →