Granted Patent
Utility
US 4,837,897 · App. 07/182,531
Apparatus for monitoring the width of a stuffed food casing
Inventor:
Salvatore Lamartino
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: Apr 18, 1988
Inventor
Salvatore Lamartino
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.