Granted Patent
Utility
US 6,194,981 · App. 09/283,704
Slot line band reject filter
Inventors:
Bert C. Henderson, Clifford A. Mohwinkel
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Apr 1, 1999
Inventors
Bert C. Henderson
Clifford A. Mohwinkel
Assignee (at issue)
Endwave 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.