Patent Assignment
Reel/Frame 050554/0308
Assignment of Assignor's Interest
Recorded: 2019-09-30
Pages: 4
Assignor
WILLIAMS, RALPH A.
Executed: 2019-07-19
Assignee
DRILLING INFO, INC.
2901 VIA FORTUNA, SUITE 200, AUSTIN, TEXAS, 78746
Covered Properties
(2)
Chronostratigraphic Modeling and Mapping System and Method
Application:
13/402,747 →
Publication:
US 2012/0215628
Chronostratigraphic Modeling and Mapping System and Method
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name
Oct 28, 2021
From: DRILLING INFO, INC.
To: ENVERUS, INC.
Reel/Frame 057968/0816 →
Security Interest
Dec 22, 2023
From: ENVERUS, INC.
To: GOLUB CAPITAL MARKETS LLC, AS COLLATERAL AGENT
Reel/Frame 065943/0954 →
Security Interest
Dec 18, 2025
From: ENVERUS, INC.
To: GOLUB CAPITAL MARKETS LLC, AS COLLATERAL AGENT
Reel/Frame 073262/0041 →
Release of Security Interest in Patents (Reel/Frame 065943/0954)
Dec 29, 2025
From: GOLUB CAPITAL MARKETS LLC
To: ENVERUS, INC.
Reel/Frame 074103/0381 →