Patent Assignment
Reel/Frame 003979/0998
Assignment of Assignors Interest.
Recorded: 1982-04-30
Pages: 2
Assignors
EPPIG, CHRISTOPHER P.
Executed: 1981-04-15
PUTNAM, BRUCE M.
Executed: 1981-04-15
DE FILIPPE, RICHARD P.
Executed: 1981-04-15
Assignee
CRITICAL FLUID SYSTEMS, INC., A CORP. OF MA
CAMBRIDGE,, MASSACHUSETTS
Covered Property
(1)
Method and Apparatus for Removing Organic Contaminats from Inorganic- Rich Mineral Solids
Patent:
4,434,028 →
Application:
06/255,037 →
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
May 11, 1988
From: CF SYSTEMS CORPORATION, A MASSACHUSETTS CORPORATION
To: BAYBANK MIDDLESEX
Reel/Frame 004884/0745 →
Security Interest
Apr 18, 1995
From: CF SYSTEMS CORPORATION
To: MELLON BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 007436/0092 →
Assignment for Security
Sep 29, 1995
From: CF SYSTEMS CORPORATION
To: MELLON BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 007656/0004 →
Release of Assignment for Security of Patents
Oct 15, 1996
From: MELLON BANK N.A.
To: CF SYSTEMS CORPORATION
Reel/Frame 008167/0845 →
Release of Assignment for Security of Patents
Oct 15, 1996
From: MELLON BANK, N.A.
To: CF SYSTEMS CORPORATION
Reel/Frame 008167/0840 →
Security Interest
Aug 4, 2000
From: MORRISON KNUDSEN CORPORATION
To: CREDIT SUISSE FIRST BOSTON, AS COLLATER AGENT
Reel/Frame 011027/0283 →
Security Agreement
Jan 29, 2002
From: WASHINGTON GROUP INTERNATIONAL, INC.
To: CREDIT SUISSE FIRST BOSTON
Reel/Frame 012581/0265 →
Release of Security Interest
Nov 16, 2007
From: CREDIT SUISSE, CAYMAN ISLANDS BRANCH, AS ADMINISTRATIVE AGENT
To: WASHINGTON GROUP INTERNATIONAL, INC.
Reel/Frame 020125/0535 →