Granted Patent
Utility
US 5,815,800 · App. 08/669,191
Voice-pager system
Inventors:
Lily C. Su, Sulton Su
Patented Case
View Patent ↗
Granted: Sep 29, 1998
Filed: Jun 24, 1996
Inventors
Lily C. Su
Sulton Su
Assignee (at issue)
MCI Communications 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.