Patent Assignment
Reel/Frame 030718/0582
Assignment of Assignor's Interest
Recorded: 2013-07-01
Pages: 7
Assignee
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH
ALPENSTRASSE 15, ZUG, 6304, SWITZERLAND
Covered Property
(1)
Pressurized gas sampling apparatus
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Intellectual Property Assignment
May 17, 2019
From: WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH
To: STRATUM RESERVOIR (UK) HOLDINGS, LTD.
Reel/Frame 049219/0261 →
Assignment of Assignor's Interest
Sep 5, 2023
From: STRATUM RESERVOIR (UK) HOLDINGS LTD.
To: STRATUM RESERVOIR (ISOTECH), LLC
Reel/Frame 064793/0558 →
Security Interest
Apr 7, 2025
From: STRATUM RESERVOIR (US), LLC,; STRATUM RESERVOIR, LLC,; STRATUM RESERVOIR (ISOTECH), LLC,; STRATUM RESERVOIR INTERMEDIATE, LLC,
To: WOODFOREST NATIONAL BANK
Reel/Frame 070749/0681 →