Granted Patent
Utility
US 5,540,932 · App. 08/421,234
Extruded animal feed nuggets for ruminants
Inventors:
Kent J. Lanter, David C. Weakley
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Apr 13, 1995
Inventors
Kent J. Lanter
David C. Weakley
Assignee (at issue)
PURINA MILLS, 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.