Granted Patent
Utility
US 6,832,029 · App. 10/321,348
Impedance control devices for use in the transition regions of electromagnetic and optical circuitry and methods for using the same
Inventor:
Mark W. Roberson
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Dec 17, 2002
Inventor
Mark W. Roberson
Assignee (at issue)
MCNC
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.