Granted Patent
Utility
US 4,587,690 · App. 06/468,536
Process for eviscerating an avian carcass
Inventor:
Jack L. Kress
Patented Case
View Patent ↗
Granted: May 13, 1986
Filed: Feb 22, 1983
Inventor
Jack L. Kress
Assignee (at issue)
Oscar Mayer 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.