Assignment of Assignor's Interest

Recorded: 2002-01-18 Pages: 4

Assignors

SCHMITZ, DAVID J.

Executed: 2001-08-31

SMITH, EILEEN

Executed: 2001-08-31

MONTESANO, ANTHONY

Executed: 2001-08-31

Assignee

CHICAGO BOARD OPTIONS EXCHANGE

400 SOUTH LASALLE STREET, 7TH FLOOR, CHICAGO, ILLINOIS, 60605

Covered Property (1)

Automated Execution System Having Participation

Patent: 7,653,584 →

Application: 09/896,061 →

Publication: US 2003/0004858

Related Assignments (2)

Other recorded transfers of the patent in this record — the chain of ownership.