Granted Patent
Utility
US 4,647,802 · App. 06/752,987
Variable reluctance motor with reduced torque ripple
Inventor:
Karl Konecny
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: Jun 13, 1985
Inventor
Karl Konecny
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.