Granted Patent
Utility
US 5,285,469 · App. 07/712,239
Spread spectrum wireless telephone system
Inventor:
Jeffrey S. Vanderpool
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Jun 7, 1991
Inventor
Jeffrey S. Vanderpool
Assignee (at issue)
Omnipoint Data Company, Incorporated
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.