Granted Patent
Utility
US 4,546,421 · App. 06/594,136
Flyback feedforward pulse width modulation regulator
Inventors:
Vincent G. Bello, Charles W. Sweeting
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Mar 28, 1984
Inventors
Vincent G. Bello
Charles W. Sweeting
Assignee (at issue)
UNITED TECHNOLOGIES CORPORATION
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.