Granted Patent
Utility
US 5,351,013 · App. 08/029,075
Step attenuator using PIN diodes
Inventors:
Raul Inocencio Alidio, Clinton O. Holter
Patented Case
View Patent ↗
Granted: Sep 27, 1994
Filed: Mar 10, 1993
Inventors
Raul Inocencio Alidio
Clinton O. Holter
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.