Granted Patent
Utility
US 4,833,427 · App. 07/105,354
Signal source for use with an LC tank circuit
Inventors:
Oskar Leuthold, James Mulligan
Patented Case
View Patent ↗
Granted: May 23, 1989
Filed: Oct 7, 1987
Inventors
Oskar Leuthold
James Mulligan
Assignee (at issue)
Hughes Aircraft Company
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.