Granted Patent
Utility
US 5,884,191 · App. 08/706,660
Interface system for providing hands-free operation of a radiotelephone and accessories in a mobile office environment
Inventors:
Thomas Joseph Karpus, Patrik Lilja
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Sep 6, 1996
Inventors
Thomas Joseph Karpus
Patrik Lilja
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.