Granted Patent
Utility
US 4,498,956 · App. 06/540,566
Apparatus and method for the manufacture of a non-woven fibrous web
Inventors:
James O. Cheshire, Douglas L. Lindgren, Robert J. Marinack, Bruce W. Janda, Robert S. Thut, John T. Larkey, Ray E. Jostad
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Oct 11, 1983
Inventors
James O. Cheshire
Douglas L. Lindgren
Robert J. Marinack
Bruce W. Janda
Robert S. Thut
John T. Larkey
Ray E. Jostad
Assignee (at issue)
James River-Norwalk
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.