Granted Patent
Utility
US 5,013,517 · App. 07/102,612
Method of blow molding integral press-lock container
Inventor:
Edward S. Robbins, III
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Sep 30, 1987
Inventor
Edward S. Robbins, III
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.