IP Library › Assignment 023071/0322
Patent Assignment
Reel/Frame 023071/0322

Confirmatory License

Recorded: 2009-08-10 Pages: 2
Assignor
Assignee
NATIONAL SCIENCE FOUNDATION
4201 WILSON BLVD, ROOM 1265, ARLINGTON, VIRGINIA, 22230
Covered Property (1)
Pi-Phase Shift Device for Light
Patent: 7,532,384 →
Application: 11/560,129 →
Publication: US 2008/0112034
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 12, 2007
From: BERMEL, PETER; JOANNOPOULOS, JOHN D.
To: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Reel/Frame 018751/0404 →
Confirmatory License May 13, 2010
From: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
To: NATIONAL SCIENCE FOUNDATION
Reel/Frame 024382/0018 →