Granted Patent
Utility
US 4,872,213 · App. 07/175,865
Versatile interface means for computer-based control systems
Inventors:
Mark D. Sebald, Richard E. Neumeyer
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Mar 31, 1988
Inventors
Mark D. Sebald
Richard E. Neumeyer
Assignee (at issue)
Barber-Coleman Company
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.