Granted Patent
Utility
US 5,529,209 · App. 08/281,587
Easy load elevating hopper
Inventor:
Kenneth J. Herzog
Patented Case
View Patent ↗
Granted: Jun 25, 1996
Filed: Jul 28, 1994
Inventor
Kenneth J. Herzog
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.