Granted Patent
Utility
US 4,246,522 · App. 05/943,872
Power converter with programmable commutation
Inventors:
Robert F. Bourke, David Thimmesch
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Sep 19, 1978
Inventors
Robert F. Bourke
David Thimmesch
Assignee (at issue)
Gould 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.