Granted Patent
Utility
US 4,286,207 · App. 06/140,054
High-power AC voltage stabilizer
Inventors:
Robert J. Spreadbury, James M. Banic, Jr.
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Apr 14, 1980
Inventors
Robert J. Spreadbury
James M. Banic, Jr.
Assignee (at issue)
Westinghouse Electric Company LLC
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.