Granted Patent
Utility
US 5,410,538 · App. 08/149,430
Method and apparatus for transmitting signals in a multi-tone code division multiple access communication system
Inventors:
James Roche, Aaron D. Wyner
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Nov 9, 1993
Inventors
James Roche
Aaron D. Wyner
Assignee (at issue)
AT&T CORP.
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.