Patent Assignment
Reel/Frame 029434/0308
Assignment of Assignor's Interest
Recorded: 2012-12-10
Pages: 3
Assignor
WIDDISON, WAYNE C
Executed: 2012-12-04
Assignee
IMMUNOGEN, INC.
830 WINTER STREET, WALTHAM, MAINE, 02451
Covered Properties
(3)
Elimination of heterogeneous or mixed cell population in tumors
Application:
11/404,001 →
Publication:
US 2006/0233814
Elimination of Heterogeneous or Mixed Cell Population in Tumors
Elimination of Heterogeneous or Mixed Cell Population in Tumors
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 14, 2006
From: GOLDMAKHER, VIKTOR S.; LUTZ, ROBERT J.; CHARI, RAVI V.J.; KOVTUN, YELENA V.
To: IMMUNOGEN INC.
Reel/Frame 017792/0373 →
Address Change
May 13, 2008
From: IMMUNOGEN, INC.
To: IMMUNOGEN, INC.
Reel/Frame 020930/0905 →
Corrective Assignment to Correct the Assignee Previously Recorded on Reel 029434 Frame 0308. Assignor(S) Hereby Confirms the Re-Record Assignment Under Reel/Frame 029434/0308 to Correct Assignee Address from Waltham, Me 02451 to Waltham, Ma 02451.
Dec 18, 2012
From: WIDDISON, WAYNE C
To: IMMUNOGEN, INC.
Reel/Frame 029489/0305 →