Patent Assignment
Reel/Frame 004132/0683
Assignment of Assignors Interest.
Recorded: 1983-06-03
Pages: 1
Assignor
WUNDERLICH, DONALD K.
Executed: 1981-12-04
Assignee
ATLANTIC RICHFIELD COMPANY
A CORP. OF PA, LOS ANGELES, CALIFORNIA
Covered Property
(1)
Method and Apparatus for Oxidizing Dried Low Rank Coal
Patent:
4,402,706 →
Application:
06/333,143 →
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 →