Patent Assignment
Reel/Frame 005655/0738
Assignment of Assignors Interest.
Recorded: 1991-03-25
Pages: 4
Assignee
W.R. GRACE & CO. -CONN., A CORP. OF CT
1114 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property
(1)
Artificial Pancreatic Perfusion Device with Temperature Sensitive Matrix
Patent:
5,116,494 →
Application:
07/674,787 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 19, 1997
From: W.R. GRACE & CO.-CONN.
To: CIRCE BIOMEDICAL, INC.
Reel/Frame 008568/0515 →
Change of Name
Mar 15, 2002
From: CIRCE ACQUISITION CORP.
To: CIRCE BIOMEDICAL, INC.
Reel/Frame 013000/0729 →
Assignment of Assignor's Interest
Mar 18, 2002
From: CIRCE BIOMEDICAL, INC.
To: CIRCE ACQUISITION CORP.
Reel/Frame 013056/0483 →