Patent Assignment
Reel/Frame 033137/0739
Assignment of Assignor's Interest
Recorded: 2014-06-19
Pages: 2
Assignee
IMMUNOGEN, INC.
830 WINTER STREET, WALTHAM, MASSACHUSETTS, 02451
Covered Property
(1)
Methods for the Preparation of Charged Crosslinkers
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.