Granted Patent
Utility
US 6,563,809 · App. 09/301,483
Subscriber-controlled registration technique in a CDMA system
Inventors:
James A. Proctor, Jr., Dennis D. Ferguson
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Apr 28, 1999
Inventors
James A. Proctor, Jr.
Dennis D. Ferguson
Assignee (at issue)
Tantivy 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.