Patent Assignment
Reel/Frame 005770/0890
Assignment of Assignors Interest.
Recorded: 1991-07-18
Pages: 3
Assignee
ATLANTIC RICHFIELD COMPANY A CORP. OF DE
LOS ANGELES, CALIFORNIA
Covered Property
(1)
Water Spray Control System for Underground Mining Machine
Patent:
5,172,767 →
Application:
07/718,715 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 24, 2000
From: ATLANTIC RICHFIELD COMPANY
To: ARCH COAL, INC.
Reel/Frame 010557/0264 →
Security Agreement
Jan 10, 2005
From: ARCH COAL, INC.
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 015541/0001 →
Security Agreement
Jun 14, 2011
From: ARCH COAL, INC.
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 026440/0760 →
Acknowledgment of Security Interest in Patents (Borrower)
May 2, 2014
From: ARCH COAL, INC.
To: UMB BANK NATIONAL ASSOCIATION
Reel/Frame 032815/0292 →
Release of Security Interest
Jun 24, 2016
From: PNC BANK NATIONAL ASSOCIATION
To: ARCH COAL, INC.
Reel/Frame 039003/0400 →
Patent Security Agreement
Oct 5, 2016
From: ARCH COAL, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, IN ITS CAPACITY AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT FOR THE SECURED PARTIES
Reel/Frame 040234/0699 →