Granted Patent
Utility
US 4,608,730 · App. 06/751,891
Disposable tension sleeve for a stuffing machine
Inventors:
Vytautas Kupcikevicius, Vytas A. Raudys
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Jul 5, 1985
Inventors
Vytautas Kupcikevicius
Vytas A. Raudys
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.