Granted Patent
Utility
US 4,026,985 · App. 05/574,629
Shirred tubular food casings having a barrier coating
Inventor:
Jerome J. M. Rasmussen
Patented Case
View Patent ↗
Granted: May 31, 1977
Filed: May 5, 1975
Inventor
Jerome J. M. Rasmussen
Assignee (at issue)
Union Carbide 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.