Granted Patent
Utility
US 5,359,271 · App. 08/008,187
Microstepping bipolar stepping motor controller for document positioning
Inventor:
Frederick K. Husher
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: Jan 25, 1993
Inventor
Frederick K. Husher
Assignee (at issue)
GTECH 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.