Granted Patent
Utility
US 4,803,757 · App. 06/430,582
Casing sizing means method and apparatus
Inventor:
Vytas A. Raudys
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Sep 30, 1982
Inventor
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.