Granted Patent
Utility
US 4,473,591 · App. 06/449,914
Process for the preservation of green color in canned vegetables
Inventors:
Wayne P. Segner, Thomas J. Ragusa, W. Kenneth Nank, William Clark Hoyle
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Dec 15, 1982
Inventors
Wayne P. Segner
Thomas J. Ragusa
W. Kenneth Nank
William Clark Hoyle
Assignee (at issue)
Continental Can Company, Inc.
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.