Granted Patent
Utility
US 5,509,161 · App. 07/934,513
Impregnation procedure for a textile sheet
Inventors:
Jean-Louis Neveu, Didier Dumas
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Dec 9, 1992
Inventors
Jean-Louis Neveu
Didier Dumas
Assignee (at issue)
Kaysersberg
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.