Granted Patent
Utility
US 4,247,565 · App. 06/048,882
Drawable sulphur resistant can coating
Inventors:
Henry W. Raisch, Kenneth E. Carlson
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Jun 15, 1979
Inventors
Henry W. Raisch
Kenneth E. Carlson
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.