Patent Assignment
Reel/Frame 019954/0278
Assignment of Assignor's Interest
Recorded: 2007-10-09
Pages: 5
Assignors
ARMSTRONG, PETER
Executed: 2007-09-26
FARNSTROM, AMY
Executed: 2007-09-26
WERTS, JON
Executed: 2007-09-25
Assignee
ARCHIPELAGO HOLDINGS, INC.
100 SOUTH WACKER DRIVE SUITE 1800, CHICAGO, ILLINOIS, 60606
Covered Property
(1)
Displayed and dark equity options electronic order book with market maker participation
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.