Granted Patent
Utility
US 5,892,909 · App. 08/792,867
Intranet-based system with methods for co-active delivery of information to multiple users
Inventors:
Charles Grasso, Richard Schwartz
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Jan 31, 1997
Inventors
Charles Grasso
Richard Schwartz
Assignee (at issue)
Diffusion, Inc.
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.