Patent Assignment
Reel/Frame 011444/0546
Assignment of Assignor's Interest
Recorded: 2000-12-01
Pages: 8
Assignors
RUTTEN, PHILIPPE W.M.
Executed: 2000-11-09
LAW, JAMES S.
Executed: 2000-11-09
HUBBELL, DOUGLAS S.
Executed: 2000-10-26
Assignee
WASHINGTON GROUP INTERNATIONAL, INC.
720 PARK BOULEVARD, BOISE, IDAHO, 83712
Covered Property
(1)
Production of high purity meta-xylene
Patent:
6,376,736 →
Application:
09/701,792 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Release of Security Agreement
Apr 24, 2003
From: CREDIT SUISSE FIRST BOSTON
To: WASHINGTON GROUP INTERNATIONAL, INC.
Reel/Frame 013986/0457 →
Assignment of Assignor's Interest
Jul 10, 2003
From: WASHINGTON GROUP INTERNATIONAL, INC.
To: STONE & WEBSTER, INC.
Reel/Frame 014261/0158 →
Assignment of Assignor's Interest
May 14, 2012
From: STONE & WEBSTER, INC.
To: STONE & WEBSTER PROCESS TECHNOLOGY, INC.
Reel/Frame 028204/0349 →