Granted Patent
Utility
US 6,009,525 · App. 08/921,394
Multi-tier electronic software distribution
Inventor:
Cay S. Horstmann
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Aug 29, 1997
Inventor
Cay S. Horstmann
Assignee (at issue)
Preview Systems
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.