IP Library Assignment 006257/0894
Patent Assignment
Reel/Frame 006257/0894

Assignment of Assignors Interest.

Recorded: 1992-08-19 Pages: 3
Assignors
GIROT, PIERRE
Executed: 1992-08-12
BOSCHETTI, EGISTO
Executed: 1992-08-17
Assignee
SEPRACOR, INC., A CORP. OF DE
33 LOCKE DRIVE, MARLBOROUGH, MASSACHUSETTS, 01752
Covered Property (1)
Passivated Porous Supports and Methods for the Preparation and Use of Same
Application: 07/901,326 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 20, 1999
From: BIOSEPRA INC.
To: LIFE TECHNOLOGIES, INC.
Reel/Frame 009958/0416 →
Assignment by Asset Purchase Agreement Mar 8, 2002
From: INVITROGEN CORPORATION
To: CIPHERGEN BIOSYSTEMS, INC.
Reel/Frame 012683/0421 →