Granted Patent
Utility
US 4,190,477 · App. 05/901,644
Pouch
Inventors:
William F. Ossian, Thomas S. Wildenberg, Henry Warmbier
Patented Case
View Patent ↗
Granted: Feb 26, 1980
Filed: May 1, 1978
Inventors
William F. Ossian
Thomas S. Wildenberg
Henry Warmbier
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.