Granted Patent
Utility
US 4,416,362 · App. 06/288,946
Material discharge apparatus with improved discharge tube
Inventors:
Harold James Kilts, Laurence J. Swaziek
Patented Case
View Patent ↗
Granted: Nov 22, 1983
Filed: Jul 31, 1981
Inventors
Harold James Kilts
Laurence J. Swaziek
Assignee (at issue)
Madison Farm Structures, 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.