Granted Patent
Utility
US 5,081,600 · App. 07/439,948
Loss-in-weight feeder system
Inventor:
Ronald S. Tump
Patented Case
View Patent ↗
Granted: Jan 14, 1992
Filed: Nov 21, 1989
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.