Patent Assignment
Reel/Frame 031743/0339
Assignment of Assignor's Interest
Recorded: 2013-12-09
Pages: 6
Assignee
TD AMERITRADE IP COMPANY, INC.
4211 S. 102ND STREET, OMAHA, NEBRASKA, 68127-1031
Covered Property
(1)
Automated Options Trading System That Generates a Flattened Trading Spread
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.