IP Library Assignment 005365/0525
Patent Assignment
Reel/Frame 005365/0525

Assignment of Assignors Interest.

Recorded: 1990-07-05 Pages: 4
Assignor
SHELL OIL COMPANY
Executed: 1990-06-29
Assignee
SHELL MINING COMPANY
200 NORTH DAIRY ASHFORD ROAD, P.O. BOX 2906, HOUSTON, TEXAS, 77252-2906
Covered Property (1)
Low Rank Coal by Wet Oxidizing, Drying and Cooling
Patent: 4,797,136 →
Application: 07/175,653 →
Related Assignments (7)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Effective on 11/23/1992 Dec 21, 1992
From: SHELL MINING COMPANY
To: SMC MINING COMPANY C/O ZEIGLER COAL HOLDING
Reel/Frame 006389/0327 →
Security Interest Dec 24, 1992
From: SMC MINING COMPANY
To: STATE STREET BANK AND TRUST COMPANY OF CONNECTICUT, NATIONAL ASSOCIATION, AS COLLATERAL AGENT.
Reel/Frame 006372/0561 →
Amendment to Patent Agreement as of October 19, 1994 Mar 6, 1995
From: SMC MINING COMPANY
To: STATE STREET BANK AND TRUST COMPANY OF CONNECTICUT, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 007365/0436 →
Release of Collateral from Mortgage Aug 31, 1998
From: STATE STREET BANK AND TRUST COMPANY OF CONNECTICUT, N.A.
To: SMC MINING COMPANY
Reel/Frame 009414/0228 →
Security Interest Oct 15, 1998
From: ZEIGLER COAL HOLDING COMPANY; SMC MINING COMPANY (NOW KNOWN AS BLUEGRASS COAL DEVELOPMENT CO.); MOUNTAINEER COAL DEVELOPMENT COMPANY (MARROWBONE DEVELOPMENT CO. AS OWNER)
To: UBS AG, STAMFORD BRANCH
Reel/Frame 009507/0297 →
Assignment of Assignor's Interest Dec 16, 1999
From: BLUEGRASS COAL DEVELOPMENT COMPANY
To: SGI INTERNATIONAL
Reel/Frame 010499/0136 →
Grant of Patent Security Interest May 14, 2002
From: BLUEGRASS COAL DEVELOPMENT COMPANY
To: DEUTSCHE BANK TRUST COMPANY AMERICAS, AS ADMINISTRATIVE AGENT
Reel/Frame 012906/0573 →