Granted Patent
Utility
US 5,915,209 · App. 08/943,995
Bond trading system
Inventor:
David Lawrence
Patented Case
View Patent ↗
Granted: Jun 22, 1999
Filed: Oct 3, 1997
Inventor
David Lawrence
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.