Granted Patent
Utility
US 5,457,814 · App. 08/292,355
Power boost system for cellular telephone
Inventors:
Markku Myrskog, Jari Muurinen, Markku Tapio Oksanen, Eero Jousinen
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Aug 18, 1994
Inventors
Markku Myrskog
Jari Muurinen
Markku Tapio Oksanen
Eero Jousinen
Assignee (at issue)
Nokia Mobile Phones Ltd.
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.