Patent Assignment
Reel/Frame 051710/0401
Assignment of Assignor's Interest
Recorded: 2020-02-04
Pages: 2
Assignee
IMMUNOGEN, INC.
830 WINTER STREET, WALTHAM, MASSACHUSETTS, 02451
Covered Property
(1)
Methods for the Acylation of Maytansinol
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.