Patent Assignment
Reel/Frame 014981/0863
Assignment of Assignor's Interest
Recorded: 2004-08-13
Pages: 14
Assignor
NORTH WEST WATER GROUP PLC
Executed: 1997-01-06
Assignee
U.S. FILTER WASTE WATER GROUP, INC.
181 THORN HILL ROAD, WARRENDALE, PENNSYLVANIA, 15086
Covered Properties
(2)
Membrane
Patent:
4,866,099 →
Application:
07/024,198 →
Process of Producing a Composite Membrane
Patent:
4,939,180 →
Application:
07/384,838 →
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.