Granted Patent
Utility
US 6,363,356 · App. 09/116,591
Referrer-based system for try/buy electronic software distribution
Inventor:
Cay S. Horstmann
Patented Case
View Patent ↗
Granted: Mar 26, 2002
Filed: Jul 16, 1998
Inventor
Cay S. Horstmann
Assignee (at issue)
Preview Software
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.