Granted Patent
Utility
US 4,598,969 · App. 06/680,920
Termination means
Inventor:
Roger C. Stephenson
Patented Case
View Patent ↗
Granted: Jul 8, 1986
Filed: Dec 12, 1984
Inventor
Roger C. Stephenson
Assignee (at issue)
Automation Industrial Group, LLC
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.