Patent Assignment
Reel/Frame 005411/0188
Assignment of Assignors Interest.
Recorded: 1990-08-16
Pages: 2
Assignor
SHEEHAN, JOHN J.
Executed: 1989-08-23
Assignee
W.R. GRACE & CO. -CONN.
1114 AVENUE OF THE AMERICAS, A CORP. OF CT, NEW YORK, NEW YORK, 10036
Covered Property
(1)
The Use of Chitosan to Improve Membrane Filter Performance
Patent:
4,970,001 →
Application:
07/348,339 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.