Granted Patent
Utility
US 4,336,001 · App. 06/141,032
Solid state compressor control system
Inventors:
Eduardo V. Andrew, Robert A. Naunas, Jr., Richard C. Armstrong, Jr.
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Apr 17, 1980
Inventors
Eduardo V. Andrew
Robert A. Naunas, Jr.
Richard C. Armstrong, Jr.
Assignee (at issue)
Frick Company
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.