Granted Patent
Utility
US 4,748,720 · App. 07/052,082
Hornless stuffing method and apparatus
Inventor:
George O. Pehr
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: May 19, 1987
Inventor
George O. Pehr
Assignee (at issue)
Viskase Companies, 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.