Granted Patent
Utility
US 5,176,612 · App. 07/808,199
High speed erecting mechanism for sleeve type carton
Inventors:
Rodney K. Calvert, Alton J. Fishback
Patented Case
View Patent ↗
Granted: Jan 5, 1993
Filed: Dec 13, 1991
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.