Granted Patent
Utility
US 5,118,965 · App. 07/490,159
Analog pulse converter from square to triangular to cos.sup.2 wave
Inventors:
Risto Vaisanen, Jukka Sarasmo, Vesa Pekkarinen
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Mar 7, 1990
Inventors
Risto Vaisanen
Jukka Sarasmo
Vesa Pekkarinen
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.