Granted Patent
Utility
US 4,650,957 · App. 06/727,421
Voltage control system
Inventors:
Richard A. Cullen, Randolph A. Koploy, Thomas S. Thorvick, Donald A. Westman
Patented Case
View Patent ↗
Granted: Mar 17, 1987
Filed: Apr 29, 1985
Inventors
Richard A. Cullen
Randolph A. Koploy
Thomas S. Thorvick
Donald A. Westman
Assignee (at issue)
Cyclomatic Industries, 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.