Granted Patent
Utility
US 6,208,638 · App. 08/829,857
Method and apparatus for transmission and retrieval of facsimile and audio messages over a circuit or packet switched network
Inventors:
Jack Rieley, Jaye Muller
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Apr 1, 1997
Inventors
Jack Rieley
Jaye Muller
Assignee (at issue)
j2 Global Communications, 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.