Patent Assignment
Reel/Frame 055806/0815
Assignment of Assignor's Interest
Recorded: 2021-04-02
Pages: 4
Assignors
ADCOCK, PAUL D.
Executed: 2006-04-19
CORMACK, MICHAEL A.
Executed: 2006-04-19
HALLER, THOMAS F.
Executed: 2006-04-20
HILL, ROBERT A.
Executed: 2006-04-20
Assignee
ARCHIPELAGO HOLDINGS, INC.
100 SOUTH WACKER DRIVE, SUITE 1800, CHICAGO, ILLINOIS, 60606
Covered Property
(1)
Unpriced Order Auction and Routing
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.