Granted Patent
Utility
US 4,498,831 · App. 06/489,227
Article stacking apparatus
Inventor:
Thomas R. Salts
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Apr 27, 1983
Inventor
Thomas R. Salts
Assignee (at issue)
Besser Industries, 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.