Granted Patent
Utility
US 4,127,801 · App. 05/796,950
Power chopper supply for a bifilar wound stepping motor
Inventor:
Albert C. Leenhouts
Patented Case
View Patent ↗
Granted: Nov 28, 1978
Filed: May 16, 1977
Inventor
Albert C. Leenhouts
Assignee (at issue)
Superior Electron, LLC
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.