Patent Assignment
Reel/Frame 004888/0193
Assignment of Assignors Interest.
Recorded: 1988-05-20
Pages: 2
Assignors
HARTWIGSEN, WESLEY D.
Executed: 1986-10-28
JOHNSON, ALAN D.
Executed: 1986-10-28
BECKHAM, JEFFREY C.
Executed: 1986-10-28
WHITE, KENNETH L.
Executed: 1986-10-28
Assignee
Covered Property
(1)
Silo Cleaning Process
Patent:
4,764,221 →
Application:
06/928,090 →
Related Assignments
(5)
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 Part of Collateral from Mortgage
Mar 5, 1998
From: STATE STREET BANK AND TRUST COMPANY OF CONNECTICUT, NATIONAL ASSOCIATION
To: BLUEGRASS COAL DEVELOPMENT COMPANY
Reel/Frame 009027/0425 →
Assignment of Assignor's Interest
Mar 5, 1998
From: BLUEGRASS COAL DEVELOPMENT COMPANY
To: MOLE-MASTER SERVICES CORPORATION
Reel/Frame 009027/0430 →