Granted Patent
Utility
US 4,533,883 · App. 06/468,827
Coaxial transmission line crossing
Inventors:
Thomas Hudspeth, Harmon H. Keeling
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: Feb 23, 1983
Inventors
Thomas Hudspeth
Harmon H. Keeling
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.