Granted Patent
Utility
US 4,309,752 · App. 06/095,803
Cycloconverter apparatus with controllable end stop firing pulse control means
Inventor:
Eric J. Stacey
Patented Case
View Patent ↗
Granted: Jan 5, 1982
Filed: Nov 19, 1979
Inventor
Eric J. Stacey
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.