Patent Assignment
Reel/Frame 004217/0487
Assignment of Assignors Interest.
Recorded: 1984-02-03
Pages: 2
Assignee
UOP INC.
A CORP. OF DE, DES PLAINES, ILLINOIS
Covered Property
(1)
Method and Apparatus for Making Plastic Screen Panels
Patent:
4,452,656 →
Application:
06/407,970 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →