Granted Patent
Utility
US 4,902,192 · App. 07/195,776
Article control assembly for article transfer device
Inventor:
Kelly Ziegler
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: May 19, 1988
Inventor
Kelly Ziegler
Assignee (at issue)
Minnesota Automation, 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.