Granted Patent
Utility
US 5,361,709 · App. 08/123,747
Material transport pusher mechanism in a material processing apparatus
Inventor:
Roger D. Eshleman
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Sep 17, 1993
Inventor
Roger D. Eshleman
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.