Granted Patent
Utility
US 4,368,407 · App. 06/071,706
Inductor-capacitor impedance devices and method of making the same
Inventor:
Theodore Wroblewski
Patented Case
View Patent ↗
Granted: Jan 11, 1983
Filed: Aug 31, 1979
Inventor
Theodore Wroblewski
Assignee (at issue)
Frequency Technology, 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.