Granted Patent
Utility
US 3,998,169 · App. 05/610,118
Knock-down pallet stacker
Inventor:
Robert Koch
Patented Case
View Patent ↗
Granted: Dec 21, 1976
Filed: Sep 4, 1975
Inventor
Robert Koch
Assignee (at issue)
Bliss & Laughlin Ind., 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.