Granted Patent
Utility
US 4,989,779 · App. 07/398,138
Bottom lock arrangement for cartons
Inventor:
Jeffrey A. Lashyro
Patented Case
View Patent ↗
Granted: Feb 5, 1991
Filed: Aug 23, 1989
Inventor
Jeffrey A. Lashyro
Assignee (at issue)
Minnesota Automation, 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.