Granted Patent
Utility
US 4,951,801 · App. 07/144,846
Articulated mobile conveyor apparatus
Inventor:
Dennis Mraz
Patented Case
View Patent ↗
Granted: Aug 28, 1990
Filed: Jan 14, 1988
Inventor
Dennis Mraz
Assignee (at issue)
DM Enterprises, 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.