Granted Patent
Utility
US 5,343,493 · App. 08/033,673
Personal assistance system and method for use with a cellular communication system
Inventor:
Khalid Karimullah
Patented Case
View Patent ↗
Granted: Aug 30, 1994
Filed: Mar 16, 1993
Inventor
Khalid Karimullah
Assignee (at issue)
Hughes Aircraft Company
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.