Granted Patent
Utility
US 4,719,139 · App. 06/811,509
Papermaker's fabric constituted by plastic spirals
Inventor:
Maurice Gauthier
Patented Case
View Patent ↗
Granted: Jan 12, 1988
Filed: Dec 20, 1985
Inventor
Maurice Gauthier
Assignee (at issue)
COFPA Feutres pour Papeteries
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.