Patent Assignment
Reel/Frame 004550/0890
Assignment of Assignors Interest.
Recorded: 1986-05-19
Pages: 2
Assignee
ATLANTIC RICHFIELD COMPANY
A CORP. OF PA., LOS ANGELES, CALIFORNIA
Covered Property
(1)
Apparatus for Intimately Contacting Particulate Solids with a Heavy Liquid
Patent:
4,610,218 →
Application:
06/714,714 →
Related Assignments
(2)
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 →
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 →