Granted Patent
Utility
US 5,444,700 · App. 07/962,202
Switching element and method for controlling the same
Inventors:
Olli Martikainen, Pertti Raatikainen, Marko Suoknuutti, Juha E. Zidbeck
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Dec 17, 1992
Inventors
Olli Martikainen
Pertti Raatikainen
Marko Suoknuutti
Juha E. Zidbeck
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.