Granted Patent
Utility
US 5,168,249 · App. 07/712,028
Miniature microwave and millimeter wave tunable circuit
Inventor:
Lawrence E. Larson
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: Jun 7, 1991
Inventor
Lawrence E. Larson
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.