Granted Patent
Utility
US 5,677,516 · App. 08/294,641
Article weighing and sorting apparatus with improved weigh cup
Inventor:
William H. Leverett
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Aug 23, 1994
Inventor
William H. Leverett
Assignee (at issue)
DURAND-WAYLAND, 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.