Granted Patent
Utility
US 5,847,535 · App. 08/787,457
Active electronic damping for step motor
Inventors:
Jack Nordquist, Mark C. Calahan, Timothy J. Damiano, Christopher Botka
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Jan 22, 1997
Inventors
Jack Nordquist
Mark C. Calahan
Timothy J. Damiano
Christopher Botka
Assignee (at issue)
Parker-Hannifin 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.