Granted Patent
Utility
US 4,254,370 · App. 05/929,639
Closed loop positioner for a stepping motor driven by a buffered translator
Inventor:
Peter Miller
Patented Case
View Patent ↗
Granted: Mar 3, 1981
Filed: Jul 31, 1978
Inventor
Peter Miller
Assignee (at issue)
Owens-Illinois 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.