Patent Assignment
Reel/Frame 012435/0884
Merger & Change of Name
Recorded: 2002-01-09
Pages: 26
Assignor
RAYTHEON ENGINEERS & CONSTRUCTORS, INC.
Executed: 2000-07-07
Assignee
WASHINGTON GROUP INTERNATIONAL, INC.
720 PARK BOULEVARD, BOISE, IDAHO, 83729
Covered Property
(1)
Method for Conducting Wet Grinding of Phosphate Rock in a Phosphoric Acid Production Plant
Patent:
4,485,077 →
Application:
06/522,390 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 21, 1983
From: MARTINEZ, JOHN L.
To: BADGER COMPANY, INC., THE CAMBRIDGE, MA. A DE CORP.
Reel/Frame 004171/0772 →
Merger
Aug 28, 2000
From: BADGER COMPANY, INC., THE
To: RAYTHEON ENGINEERS & CONSTRUCTORS, INC.
Reel/Frame 011077/0845 →
Technology Transfer Agreement
Aug 28, 2000
From: BADGER COMPANY, INC., THE
To: RAYTHEON ENGINEERS & CONSTRUCTORS, INC.
Reel/Frame 011077/0857 →
Security Interest
Jun 28, 2001
From: WASHINGTON GROUP INTERNATIONAL, INC. F/K/A MORRISON KNUDSEN CORP.
To: CREDIT SUISSE FIRST BOSTON
Reel/Frame 011958/0038 →
Release of Security Agreement
Apr 24, 2003
From: CREDIT SUISSE FIRST BOSTON
To: WASHINGTON GROUP INTERNATIONAL, INC.
Reel/Frame 013986/0457 →
Release of Security Agreement
Apr 24, 2003
From: CREDIT SUISSE FIRST BOSTON
To: WASHINGTON GROUP INTERNATIONAL, INC.
Reel/Frame 013986/0470 →
Assignment of Assignor's Interest
Jul 10, 2003
From: WASHINGTON GROUP INTERNATIONAL, INC.
To: STONE & WEBSTER, INC.
Reel/Frame 014261/0158 →