Granted Patent
Utility
US 4,437,209 · App. 06/321,664
Stuffing method
Inventor:
Herve D. Duroyon
Patented Case
View Patent ↗
Granted: Mar 20, 1984
Filed: Nov 16, 1981
Inventor
Herve D. Duroyon
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.