Granted Patent
Utility
US 4,348,718 · App. 06/234,064
Timing generator for use with multi-phase control rectifier systems
Inventor:
Donald E. Vollrath
Patented Case
View Patent ↗
Granted: Sep 7, 1982
Filed: Feb 12, 1981
Inventor
Donald E. Vollrath
Assignee (at issue)
Litton Industrial Products, 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.