IP Library › Assignment 009900/0387
Patent Assignment
Reel/Frame 009900/0387

Assignment of Assignor's Interest

Recorded: 1999-04-13 Pages: 5
Assignors
MITRAGOTRI, SAMIR. S.
Executed: 1999-02-11
KOST, JOSEPH
Executed: 1999-02-09
Assignee
SONTRA MEDICAL, L.P.
SUITE 22, 21 ERIE STREET, CAMBRIDGE, MASSACHUSETTS, 02139
Covered Property (1)
Sonophoretic Enhanced Transdermal Transport
Patent: 6,190,315 →
Application: 09/227,623 →
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 13, 1999
From: LANGER, ROBERT S.
To: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Reel/Frame 009872/0345 →
Assignment of Assignor's Interest Jul 19, 1999
From: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
To: SONTRA MEDICAL, L.P.
Reel/Frame 010099/0439 →
Assignment of Assignor's Interest Jul 19, 1999
From: LANGER, ROBERT S.
To: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Reel/Frame 010099/0670 →
Merger/Change of Name Feb 28, 2000
From: SONTRA MEDICAL, L.P.; NEWCORP MEDICAL, INC.
To: SONTRA MEDICAL, INC
Reel/Frame 010637/0622 →
Change of Name Sep 6, 2012
From: SONTRA MEDICAL, INC.
To: ECHO THERAPEUTICS, INC.
Reel/Frame 028905/0611 →