Patent Assignment
Reel/Frame 013848/0861
Assignment of Assignor's Interest
Recorded: 2003-08-04
Pages: 5
Assignee
BLACKBOARD INC.
1899 L STREET NW, 5TH FLOOR, WASHINGTON, DISTRICT OF COLUMBIA, 20036
Covered Property
(1)
Education system and method
Application:
60/406,304 →