Granted Patent
Utility
US 5,937,405 · App. 08/969,134
On-line database updating network system and method
Inventor:
R. David L. Campbell
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Nov 12, 1997
Inventor
R. David L. Campbell
Assignee (at issue)
Punch Networks Corporation
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.