Granted Patent
Utility
US 5,889,449 · App. 08/568,673
Electromagnetic transmission line elements having a boundary between materials of high and low dielectric constants
Inventor:
Slawomir J. Fiedziuszko
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Dec 7, 1995
Inventor
Slawomir J. Fiedziuszko
Assignee (at issue)
Space Systems/Loral, LLC
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.