Granted Patent
Utility
US 6,546,044 · App. 08/730,670
Dual-mode radiotelephone apparatus for digital or analog modulation
Inventor:
Paul W. Dent
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Oct 11, 1996
Inventor
Paul W. Dent
Assignee (at issue)
ERICSSON GMBH
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.