Granted Patent
Utility
US 5,201,461 · App. 07/726,342
Composite flat blank for containers and method
Inventor:
John M. Sykora
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Jul 5, 1991
Inventor
John M. Sykora
Assignee (at issue)
Field Container Company, LP.
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.