Granted Patent
Utility
US 6,557,696 · App. 09/594,268
Inclined conveyor
Inventor:
Mark R. Frich
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Jun 15, 2000
Inventor
Mark R. Frich
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.