Granted Patent
Utility
US 5,829,943 · App. 08/813,826
Machine for emptying material from scrap cans
Inventor:
Robert M. Davis
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: Mar 6, 1997
Inventor
Robert M. Davis
Assignee (at issue)
CP MANUFACTURING, 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.