Granted Patent
Utility
US 3,938,155 · App. 05/488,582
High stability modulator for instrument landing systems
Inventors:
William E. Mears, Clifford E. Mueller, David M. Staehling
Patented Case
View Patent ↗
Granted: Feb 10, 1976
Filed: Jul 15, 1974
Inventors
William E. Mears
Clifford E. Mueller
David M. Staehling
Assignee (at issue)
Wilcox Electric, Inc.
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.