Granted Patent
Utility
US 5,152,660 · App. 07/702,782
Transfer arm for supporting workpieces
Inventor:
Stephen E. Bierlein
Patented Case
View Patent ↗
Granted: Oct 6, 1992
Filed: May 17, 1991
Inventor
Stephen E. Bierlein
Assignee (at issue)
ATLAS TECHNOLOGIES, 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.