Granted Patent
Utility
US 6,246,302 · App. 09/254,944
Reactance filter with surface wave resonators
Inventors:
Peter Muller, Maximilian Pitschi
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Mar 19, 1999
Inventors
Peter Muller
Maximilian Pitschi
Assignee (at issue)
Siemens Matsushita Components GmbH & Co. KG
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.