Granted Patent
Utility
US 5,548,839 · App. 08/322,513
Wide band radio-frequency converter having multiple use of intermediate frequency translators
Inventors:
Stephen P. Caldwell, Marvine Harris Jr., Demetrios J. Matsakis, Ronald W. Minarik, Kenneth M. Schmidt, Benjamin Weigand, Robert S. Prill, Arnold B. Siegel
Patented Case
View Patent ↗
Granted: Aug 20, 1996
Filed: Oct 14, 1994
Inventors
Stephen P. Caldwell
Marvine Harris Jr.
Demetrios J. Matsakis
Ronald W. Minarik
Kenneth M. Schmidt
Benjamin Weigand
Robert S. Prill
Arnold B. Siegel
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.