Patent Assignment
Reel/Frame 055638/0950
Assignment of Assignor's Interest
Recorded: 2021-03-18
Pages: 7
Assignors
ADCOCK, PAUL
Executed: 2007-09-21
CORMACK, MICHAEL
Executed: 2007-09-27
FARNSTROM, AMY
Executed: 2007-09-26
HILL, ROBERT
Executed: 2007-09-28
Assignee
ARCHIPELAGO HOLDINGS, INC.
100 SOUTH WACKER DRIVE, SUITE 1800, CHICAGO, ILLINOIS, 60606
Covered Property
(1)
Diverse Options Order Types in an Electronic Guaranteed Entitlement Environment
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.