Granted Patent
Utility
US 4,078,694 · App. 05/757,844
Opening means for a container
Inventors:
Andrew Gnyp, Karl Elert
Patented Case
View Patent ↗
Granted: Mar 14, 1978
Filed: Jan 10, 1977
Inventors
Andrew Gnyp
Karl Elert
Assignee (at issue)
Jos. Schlitz Brewing 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.