Patent Assignment
Reel/Frame 055989/0832
Assignment of Assignor's Interest
Recorded: 2021-04-21
Pages: 9
Assignors
CHARI, RAVI V.J.
Executed: 2020-11-11
WIDDISON, WAYNE C.
Executed: 2021-04-07
LI, WEI
Executed: 2020-11-12
PLEYNET, DAVID P.
Executed: 2020-12-09
Assignee
IMMUNOGEN, INC.
830 WINTER ST, WALTHAM, MASSACHUSETTS, 02451-1477
Covered Property
(1)
Camptothecin Derivatives