Granted Patent
Utility
US 6,566,839 · App. 09/895,505
Switched capacitor motor driver
Inventors:
Daniel R. DaSilva, John Pretzer, Glenn C. Waehner
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Jun 28, 2001
Inventors
Daniel R. DaSilva
John Pretzer
Glenn C. Waehner
Assignee (at issue)
PELCO, 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.