Granted Patent
Utility
US 4,150,748 · App. 05/927,561
Tamperproof reclosable carton
Inventor:
David C. Mueller
Patented Case
View Patent ↗
Granted: Apr 24, 1979
Filed: Jul 24, 1978
Inventor
David C. Mueller
Assignee (at issue)
American Can Company
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.