Granted Patent
Utility
US 5,877,096 · App. 08/851,271
Non-woven needle-punched filter fabric
Inventors:
Peter Edward Stevenson, Jeffrey J. King
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: May 5, 1997
Inventors
Peter Edward Stevenson
Jeffrey J. King
Assignee (at issue)
Tensar Corporation, LLC
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.