Granted Patent
Utility
US 6,189,577 · App. 09/431,891
Papermakers fabric with stacked machine direction yarns
Inventor:
Henry J. Lee
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Nov 2, 1999
Inventor
Henry J. Lee
Assignee (at issue)
ASTENJOHNSON, 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.