Patent Assignment
Reel/Frame 026954/0911
Assignment of Assignor's Interest
Recorded: 2011-09-23
Pages: 5
Assignors
STANKUS, JOHN C.
Executed: 2011-08-08
MA, JINRONG
Executed: 2011-08-05
MA, LUMIN
Executed: 2011-08-04
Assignee
FCI HOLDINGS DELAWARE, INC.
1105 NORTH MARKET STREET, SUITE 1300, WILMINGTON, DELAWARE, 19801
Covered Property
(1)
Engineered Mine Seal
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Mar 21, 2016
From: DSI UNDERGROUND SYSTEMS, LLC; FCI HOLDINGS DELAWARE, INC., A DELAWARE CORPORATION; J-LOK CO., A PENNSYLVANIA CORPORATION
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 038179/0591 →
Change of Name
May 16, 2025
From: FCI HOLDINGS DELAWARE, INC.
To: FCI HOLDINGS DELAWARE, LLC
Reel/Frame 071297/0130 →
Security Interest
Dec 17, 2025
From: XCAL TOOLS – BRISTOL, LLC; JM STEEL – PENNSYLVANIA, LLC; J-LOK CO.; FCI HOLDINGS DELAWARE, LLC
To: JEFFERIES FINANCE LLC, AS COLLATERAL AGENT
Reel/Frame 074005/0650 →
Security Interest
May 29, 2026
From: FCI HOLDINGS DELAWARE, LLC; J-LOK CO.; JM STEEL - PENNSYLVANIA, LLC; XCAL TOOLS - BECKLEY, LLC
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 075651/0136 →