Granted Patent
Utility
US 4,359,720 · App. 06/259,301
Environmentally sealed variable capacitance apparatus
Inventors:
Thomas Y. Chai, Franz S. Reisch, M. T. Wu
Patented Case
View Patent ↗
Granted: Nov 16, 1982
Filed: Apr 29, 1981
Inventors
Thomas Y. Chai
Franz S. Reisch
M. T. Wu
Assignee (at issue)
Honeywell Limited
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.