Patent Assignment
Reel/Frame 004989/0807
Assignment of 1/2 of Assignors Interest
Recorded: 1988-12-19
Pages: 2
Assignor
ASHLAND OIL, INC.
Executed: 1988-12-15
Covered Property
(1)
Method and Apparatus for Catalytically Converting Fractions of Crude Oil Boiling Above Gasoline
Patent:
4,786,400 →
Application:
06/648,676 →
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 10, 1985
From: FARNSWORTH, CARL D.
To: ASHLAND OIL, INC.
Reel/Frame 004384/0931 →
Assignment of 1/2 of Assignors Interest
Jun 3, 1985
From: ASHLAND OIL, INC.
To: TOTAL PETROLEUM, INC.
Reel/Frame 004414/0638 →
Assignment of 1/2 of Assignors Interest
Jun 3, 1985
From: ASHLAND OIL, INC.
To: TOTAL PETROLEUM, INC.
Reel/Frame 004414/0636 →
Assigns Assignor's One-Half Interest
Jan 9, 1986
From: TOTAL PETROLEUM, INC., A CORP. OF MI
To: TOTAL ENGINEERING AND RESEARCH COMPANY, DENVER PLACE, SUITE 2201, 999 18TH STREET, DENVER, COLORADO 80202, A CORP. OF CO.
Reel/Frame 004494/0378 →
Assignment of Assignors Interest.
Nov 4, 1991
From: ASHLAND OIL, INC.
To: TOTAL ENGINEERING AND RESEARCH COMPANY, A CORP. OF CO
Reel/Frame 005897/0973 →
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 →