Granted Patent
Utility
US 4,806,413 · App. 07/092,958
Papermaker's felt containing scrim material
Inventor:
Patrick H. Penven
Patented Case
View Patent ↗
Granted: Feb 21, 1989
Filed: Sep 4, 1987
Inventor
Patrick H. Penven
Assignee (at issue)
Asten, 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.