Granted Patent
Utility
US 5,535,954 · App. 08/184,123
Metered lamina air intake for a hammermill feeder
Inventors:
James O. Hudson, Heath L. Hartwig
Patented Case
View Patent ↗
Granted: Jul 16, 1996
Filed: Jan 21, 1994
Inventors
James O. Hudson
Heath L. Hartwig
Assignee (at issue)
Roskamp Champion
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.