Granted Patent
Utility
US 5,140,285 · App. 07/749,254
Q enhanced dielectric resonator circuit
Inventor:
Leonard D. Cohen
Patented Case
View Patent ↗
Granted: Aug 18, 1992
Filed: Aug 26, 1991
Inventor
Leonard D. Cohen
Assignee (at issue)
AIL Systems, Inc.
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.