Patent Assignment
Reel/Frame 004297/0374
Assignment of Assignors Interest.
Recorded: 1984-09-07
Pages: 5
Assignor
HARGUINDEY, JULIAN E.
Executed: 1984-08-15
Assignee
CANOS FILTROS JOHNSON S.A., A CORP. OF ARGENTINA
BUENOS AIRES,, ARGENTINA
Covered Property
(1)
Wire Mesh Well Screen with Welded Wire Support
Patent:
4,494,603 →
Application:
06/543,551 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 14, 1984
From: CANOS FILTROS JOHNSON S.A.
To: UOP INC., A DE CORP.
Reel/Frame 004317/0788 →
Assignment of Assignors Interest.
Oct 11, 1988
From: SIGNAL ENVIRONMENTAL SYSTEMS INC., A DE CORP
To: JOHNSON FILTRATION SYSTEMS INC., A CORP. OF DE
Reel/Frame 004962/0258 →
Change of Name
Aug 9, 1993
From: JOHNSON FILTRATION SYSTEMS INC.
To: WHEELABRATOR ENGINEERED SYSTEMS INC.
Reel/Frame 006646/0160 →