IP Library › Assignment 008245/0586
Patent Assignment
Reel/Frame 008245/0586

Assignment of Assignor's Interest

Recorded: 1996-11-13 Pages: 3
Assignors
HUBBELL, DOUGLAS S.
Executed: 1996-10-18
RUTTEN, PHILIPPE W.M.
Executed: 1996-10-25
Assignee
RAYTHEON ENGINEERS & CONSTRUCTORS, INC.
141 SPRING STREET, LEXINGTON, MASSACHUSETTS, 02173
Covered Property (1)
Crystallization Process for Purification of Paraxylene
Patent: 5,811,629 →
Application: 08/710,733 →
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger & Change of Name Mar 21, 2001
From: RAYTHEON ENGINEERS & CONSTRUCTORS, INC.
To: WASHINGTON GROUP INTERNATIONAL, INC.
Reel/Frame 011648/0446 →
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 →
Assignment of Assignor's Interest May 14, 2012
From: STONE & WEBSTER, INC.
To: STONE & WEBSTER PROCESS TECHNOLOGY, INC.
Reel/Frame 028204/0349 →