Patent Assignment
Reel/Frame 013235/0150
Assignment of Assignor's Interest
Recorded: 2002-08-29
Pages: 2
Assignor
LAWRENCE, DAVID
Executed: 2002-06-28
Assignee
ESPEED, INC.
299 PARK AVENUE, NEW YORK, NEW YORK, 10171
Covered Property
(1)
Securities Trading System with Multiple Levels of Interest
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.