Granted Patent
Utility
US 4,309,237 · App. 06/113,205
Apparatus for adhering a can opening key to a container
Inventors:
Harold C. Lemke, Stanley E. Rohowetz
Patented Case
View Patent ↗
Granted: Jan 5, 1982
Filed: Jan 18, 1980
Inventors
Harold C. Lemke
Stanley E. Rohowetz
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.