Granted Patent
Utility
US 5,438,565 · App. 08/040,819
Packet switch to provide code division, multiple access cellular service
Inventors:
Jayant G. Hemmady, Craig P. Reilly, Neil J. Romy, Ronald A. Spanke, Douglas H. Yano
Patented Case
View Patent ↗
Granted: Aug 1, 1995
Filed: Mar 31, 1993
Inventors
Jayant G. Hemmady
Craig P. Reilly
Neil J. Romy
Ronald A. Spanke
Douglas H. Yano
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.