Granted Patent
Utility
US 6,353,976 · App. 09/407,485
Expandable seamed felt pintle
Inventor:
Paul H. Sutherland
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Sep 28, 1999
Inventor
Paul H. Sutherland
Assignee (at issue)
ASTENJOHNSON, 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.