Granted Patent
Utility
US 6,814,911 · App. 10/384,703
Method and apparatus for applying additive to fibrous products and products produced thereby
Inventors:
Bennett C. Ward, Raymond Nelson, Roy Pugh, Jackie Payne, Brian Nutter, Michael W. Spencer
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Mar 11, 2003
Inventors
Bennett C. Ward
Raymond Nelson
Roy Pugh
Jackie Payne
Brian Nutter
Michael W. Spencer
Assignee (at issue)
Filtrona Richmond, 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.