Granted Patent
Utility
US 5,381,639 · App. 08/153,208
Machine for loading open top style cartons at high speeds
Inventors:
Rodney K. Calvert, Alton J. Fishback
Patented Case
View Patent ↗
Granted: Jan 17, 1995
Filed: Nov 16, 1993
Inventors
Rodney K. Calvert
Alton J. Fishback
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.