Granted Patent
Utility
US 6,418,974 · App. 09/760,272
Woven fabric using three dimensional and flat weave in combination, related methods and filter element
Inventor:
Kevin Nelson King
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Jan 12, 2001
Inventor
Kevin Nelson King
Assignee (at issue)
SI GROUP, 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.