Granted Patent
Utility
US 5,985,342 · App. 09/062,265
Chemical treatment and packaging system to improve the appearance and shelf life of fresh pork
Inventor:
David C. Ruzek
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Apr 17, 1998
Inventor
David C. Ruzek
Assignee (at issue)
Hormel Foods Corporation
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.