Patent Assignment
Reel/Frame 004902/0443
Assignment of Assignors Interest.
Recorded: 1988-06-21
Pages: 2
Assignor
SCHAEFFER, CHARLES W.
Executed: 1987-06-15
Assignee
BIRMINGHAM BOLT COMPANY, INC.
3000 RIVERCHASE GALLERIA, SUITE 1000, BIRMINGHAM, ALABAMA, 35244
Covered Property
(1)
Mine Roof Support Anchor and Process for Installing the Same
Patent:
4,859,118 →
Application:
07/209,378 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Oct 30, 1992
From: BIRMINGHAM BOLT COMPANY, INC.
To: BIRMINGHAM STEEL CORPORATION
Reel/Frame 006289/0418 →
Security Interest
Mar 27, 1995
From: EXCEL MINING
To: STAR BANK, NATIONAL ASSOCIATION
Reel/Frame 007403/0430 →
Assignment of Assignor's Interest
Apr 6, 1995
From: BIRMINGHAM STEEL CORPORATION
To: EXCEL MINING SYSTEMS, INC.
Reel/Frame 007417/0235 →