Patent Assignment
Reel/Frame 005267/0386
Assignment of Assignors Interest.
Recorded: 1990-04-04
Pages: 2
Assignor
BIOHYBRID TECHNOLOGIES, INC.
Executed: 1990-03-12
Assignee
W.R. GRACE & CO.-CONN., A CORP. OF MA
ONE LEDGEMONT CENTER, 128 SPRING STREET, LEXINGTON,, MASSACHUSETTS, 02173
Covered Property
(1)
Artificial Pancreatic Perfusion Device
Patent:
5,002,661 →
Application:
07/398,739 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 5, 1990
From: CHICK, WILLIAM L.; SULLIVAN, SUSAN J.; BORLAND, KERMIT M.; HARVEY, JOHN M.
To: BIOHYBRID TECHNOLOGIES, INC.
Reel/Frame 005243/0186 →
Assignment of Assignors Interest.
Mar 5, 1990
From: MULLER, THOMAS E.; DUNLEAVY, KAREN E.; KING, DONALD B.; DOHERTY, EDWARD J.
To: W. R. GRACE & CO.-CONN.
Reel/Frame 005243/0189 →
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 →