Patent Assignment
Reel/Frame 009027/0430
Assignment of Assignor's Interest
Recorded: 1998-03-05
Pages: 4
Assignor
BLUEGRASS COAL DEVELOPMENT COMPANY
Executed: 1998-01-26
Assignee
MOLE-MASTER SERVICES CORPORATION
117 INDUSTRY ROAD, MARIETTA, OHIO, 45750
Covered Properties
(2)
Silo Cleaning Process
Patent:
4,764,221 →
Application:
06/928,090 →
Silo Cleaning Apparatus
Patent:
4,942,982 →
Application:
07/149,338 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
May 20, 1988
From: HARTWIGSEN, WESLEY D.; JOHNSON, ALAN D.; BECKHAM, JEFFREY C.; WHITE, KENNETH L.
To: SHELL MINING COMPANY, A DE CORP.
Reel/Frame 004888/0193 →
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 →