Patent Assignment
Reel/Frame 004429/0689
Assignment of Assignors Interest.
Recorded: 1985-07-22
Pages: 2
Assignor
Assignee
TOTAL ENGINEERING AND RESEARCH COMPANY, A CORP. OF COLORADO
999 - 18TH STREET, ONE DENVER PLACE, SUITE 2201, DENVER, COLORADO, 80202
Covered Property
(1)
Method for Regeneration of Resid Cracking Catalyst
Patent:
4,664,778 →
Application:
06/720,171 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 5, 1985
From: REINKEMEYER, LEO R.
To: TOTAL PETROLUEM, INC., A CORP. OF MI.
Reel/Frame 004392/0242 →
Assignment of Assignors Interest.
Nov 3, 1992
From: TOTAL ENGINEERING AND RESEARCH COMPANY
To: STONE & WEBSTER ENGINEERING CORPORATION
Reel/Frame 006335/0912 →
Assignment of Assignor's Interest
Dec 2, 1994
From: TOTAL ENGINEERING AND RESEARCH COMPANY
To: STONE & WEBSTER ENGNEERING CORPORATION
Reel/Frame 007247/0125 →
Assignment of Assignor's Interest
Jun 11, 2001
From: STONE & WEBSTER ENGINEERING CORP.
To: STONE & WEBSTER PROCESS TECHNOLOGY, INC.
Reel/Frame 011855/0951 →