Granted Patent
Utility
US 4,407,873 · App. 06/405,717
Retortable packaging structure
Inventors:
Ronald C. Christensen, Roger P. Genske, Dennis E. Kester, William F. Ossian
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Aug 6, 1982
Inventors
Ronald C. Christensen
Roger P. Genske
Dennis E. Kester
William F. Ossian
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.