Granted Patent
Utility
US 4,499,534 · App. 06/434,018
Control system for controlling an SCR network to regulate three-phase A-C power flow
Inventors:
Harold Robert Schnetzka, Frank E. Wills, Dean K. Norbeck
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Oct 12, 1982
Inventors
Harold Robert Schnetzka
Frank E. Wills
Dean K. Norbeck
Assignee (at issue)
BorgWarner 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.