Patent Assignment
Reel/Frame 019153/0802
Assignment of Assignor's Interest
Recorded: 2007-04-12
Pages: 3
Assignor
JOHNSON, JAMES C.
Executed: 2007-03-21
Assignee
ESPEED, INC.
110 E. 59TH STREET, NEW YORK, NEW YORK, 10022
Covered Property
(1)
Error Detection and Recovery in an Electronic Trading System
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.