Patent Assignment
Reel/Frame 023211/0856
Assignment of Assignor's Interest
Recorded: 2009-09-10
Pages: 3
Assignor
ZIEGLER, MARK J.
Executed: 2009-09-03
Assignee
UNIMIN CORPORATION
258 ELM STREET, NEW CANAAN, CONNECTICUT, 06840
Covered Property
(1)
Method of Making Proppants Used in Gas or Oil Extraction
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Aug 10, 2018
From: UNIMIN CORPORATION
To: COVIA HOLDINGS CORPORATION
Reel/Frame 046773/0158 →
Security Interest
Aug 27, 2018
From: COVIA HOLDINGS CORPORATION; FAIMOUNT SANTROL INC.; TECHNISAND, INC.; SELF-SUSPENDING PROPPANT LLC
To: BARCLAYS BANK PLC, AS COLLATERAL AGENT
Reel/Frame 047320/0483 →
Security Interest
Oct 19, 2020
From: BARCLAYS BANK PLC
To: WILMINGTON SAVINGS FUND SOCIETY, FSB
Reel/Frame 054113/0352 →
Release of Security Interest
Jan 1, 2021
From: WILMINGTON SAVINGS FUND SOCIETY, FSB
To: COVIA HOLDINGS LLC (FORMERLY COVIA HOLDINGS CORPORATION)
Reel/Frame 054886/0318 →