Granted Patent
Utility
US 4,902,383 · App. 07/346,373
Method of making a papermaker's felt with no flap seam
Inventor:
Patrick H. Penven
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Apr 28, 1989
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.