Granted Patent
Utility
US 4,549,731 · App. 06/428,901
Carton blank transfer mechanism
Inventor:
Robert H. Ganz
Patented Case
View Patent ↗
Granted: Oct 29, 1985
Filed: Sep 30, 1982
Inventor
Robert H. Ganz
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.