Granted Patent
Utility
US 6,374,091 · App. 09/541,576
Dual mode communication device
Inventors:
Scott H. Richards, Gary Dorfner
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Apr 3, 2000
Inventors
Scott H. Richards
Gary Dorfner
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.