Granted Patent
Utility
US 5,260,880 · App. 07/736,681
Loss-in-weight feeder system
Inventor:
Ronald S. Tump
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Jul 26, 1991
Inventor
Ronald S. Tump
Assignee (at issue)
Accurate Group, LLC
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.