Patent Assignment
Reel/Frame 004476/0492
Assignment of Assignors Interest.
Recorded: 1985-10-17
Pages: 2
Assignor
HYDRO ENERGY SYSTEMS LIMITED
Executed: 1985-09-22
Covered Property
(1)
Treating Asphaltene Bearing Fuels
Patent:
4,826,089 →
Application:
06/777,963 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 17, 1985
From: PSALTOPOULOS, EMMANUEL
To: HYDRO ENERGY SYSTEMS LIMITED, 5 UPPER CHURCH STREET, DOUGLAS, ISLE OF MAN, A CORP OF ISLE OF MAN
Reel/Frame 004476/0494 →
Merger Effective: March 16, 1988, Massachusetts
Nov 28, 1988
From: COLUMBIA CHASE CORPORATION (MERGED INTO)
To: CHASE CORPORATION
Reel/Frame 004988/0788 →
Assignment of Assignors Interest.
Apr 21, 1989
From: CHASE CORPORATION
To: HYDRO ENERGY SYSTEMS, INC., A CORP. OF ISLE OF MAN
Reel/Frame 005065/0264 →