Granted Patent
Utility
US 4,633,643 · App. 06/304,187
Guide mechanism for loading cartons
Inventor:
Prentice J. Wood
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Sep 21, 1981
Inventor
Prentice J. Wood
Assignee (at issue)
The Mead Corporation
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.