Granted Patent
Utility
US 4,688,299 · App. 06/817,092
Stuffing method
Inventors:
Paul Frey, Jerome J. M. Rasmussen, Fredrick C. Churchill
Patented Case
View Patent ↗
Granted: Aug 25, 1987
Filed: Jan 8, 1986
Inventors
Paul Frey
Jerome J. M. Rasmussen
Fredrick C. Churchill
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.