Granted Patent
Utility
US 4,301,430 · App. 06/186,461
U-Shaped iris design exhibiting capacitive reactance in heavily loaded rectangular waveguide
Inventor:
Vitaly Stachejko
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Sep 12, 1980
Inventor
Vitaly Stachejko
Assignee (at issue)
RCA Corporation
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.