IP Library › Assignment 012938/0891
Patent Assignment
Reel/Frame 012938/0891

Assignment of Assignor's Interest

Recorded: 2002-05-28 Pages: 3
Assignors
CHUNG, JOHNSON
Executed: 2002-03-12
BYNG, GRAHAM S.
Executed: 2002-03-13
Assignee
IMMUNOGEN INC.
128 SIDNEY STREET, CAMBRIDGE, MASSACHUSETTS, 02139
Covered Property (1)
Mutant Actinosynnema Pretiosum Strain with Increased Maytansinoid Production
Patent: 6,790,954 →
Application: 10/057,561 →
Publication: US 2003/0157694
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 17, 2004
From: IMMUNOGEN, INC.
To: GENENTECH, INC.
Reel/Frame 015471/0139 →
Address Change May 13, 2008
From: IMMUNOGEN, INC.
To: IMMUNOGEN, INC.
Reel/Frame 020930/0905 →