Granted Patent
Utility
US 4,988,935 · App. 07/356,372
Advanced digital motion control
Inventor:
James E. York
Patented Case
View Patent ↗
Granted: Jan 29, 1991
Filed: May 24, 1989
Inventor
James E. York
Assignee (at issue)
UNIVERSAL INSTRUMENTS 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.