Granted Patent
Utility
US 4,847,460 · App. 07/070,399
Apparatus for injecting microwave energy by means of an open microwave guide
Inventors:
Jorg Kieser, Hans-Georg Lotz, Gonde Dittmer, Michael Sellschopp
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Jul 7, 1987
Inventors
Jorg Kieser
Hans-Georg Lotz
Gonde Dittmer
Michael Sellschopp
Assignee (at issue)
Leybold GmbH
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.