Granted Patent
Utility
US 4,305,196 · App. 06/056,797
Scrap ring removal
Inventors:
John R. Schmidlin, Edward F. Archambault, Robert P. Vandlik, Harold J. Jessogne
Patented Case
View Patent ↗
Granted: Dec 15, 1981
Filed: Jul 11, 1979
Inventors
John R. Schmidlin
Edward F. Archambault
Robert P. Vandlik
Harold J. Jessogne
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.