Granted Patent
Utility
US 5,404,580 · App. 08/238,193
Radio having memory means for storing radio user validation code
Inventors:
Harold E. Simpson, Poul E. Sogaard Rasmussen
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: May 4, 1994
Inventors
Harold E. Simpson
Poul E. Sogaard Rasmussen
Assignee (at issue)
Motorola, 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.