Granted Patent
Utility
US 6,421,653 · App. 09/169,906
Systems, methods and computer program products for electronic trading of financial instruments
Inventor:
R. May
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Oct 12, 1998
Inventor
R. May
Assignee (at issue)
BLACKBIRD HOLDINGS, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.