Granted Patent
Utility
US 4,918,411 · App. 07/264,607
Dielectric aperture assembly and method for fabricating the same
Inventors:
John H. Staehlin, James Alan Bingham
Patented Case
View Patent ↗
Granted: Apr 17, 1990
Filed: Oct 31, 1988
Inventors
John H. Staehlin
James Alan Bingham
Assignee (at issue)
Westinghouse Electric Company LLC
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.