Granted Patent
Utility
US 5,780,131 · App. 08/798,619
Covered roll and a method for making the same
Inventors:
Jan Paasonen, Seppo Antti Ylisela
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Feb 11, 1997
Inventors
Jan Paasonen
Seppo Antti Ylisela
Assignee (at issue)
Stowe Woodward, L.L.C.
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.