Granted Patent
Utility
US 4,518,379 · App. 06/334,585
Apparatus and method for joining individual blanks
Inventor:
Charles W. Eldridge
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Dec 28, 1981
Inventor
Charles W. Eldridge
Assignee (at issue)
Melvin B. Herrin
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.