Granted Patent
Utility
US 6,597,258 · App. 09/944,781
High performance diplexer and method
Inventor:
Glen Var Rosenbaum
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Aug 30, 2001
Inventor
Glen Var Rosenbaum
Assignee (at issue)
Spectrum Astro
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.