Granted Patent
Utility
US 6,646,321 · App. 10/047,030
Power transistor with internally combined low-pass and band-pass matching stages
Inventor:
Anton Willem Roodnat
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Jan 15, 2002
Inventor
Anton Willem Roodnat
Assignee (at issue)
KONINKLIJKE PHILIPS ELECTRONICS NV
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.