Granted Patent
Utility
US 5,301,814 · App. 07/961,430
Increasing the relative motion of a screen deck
Inventors:
William E. Lower, Stephen C. Mitchell
Patented Case
View Patent ↗
Granted: Apr 12, 1994
Filed: Oct 15, 1992
Inventors
William E. Lower
Stephen C. Mitchell
Assignee (at issue)
ROTEX, 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.