Granted Patent
Utility
US 4,788,515 · App. 07/158,016
Dielectric loaded adjustable phase shifting apparatus
Inventors:
Mon N. Wong, Donald C. D. Chang
Patented Case
View Patent ↗
Granted: Nov 29, 1988
Filed: Feb 19, 1988
Inventors
Mon N. Wong
Donald C. D. Chang
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.