Granted Patent
Utility
US 5,025,839 · App. 07/501,237
Two-ply papermakers forming fabric with zig-zagging MD yarns
Inventor:
Walter P. Wright
Patented Case
View Patent ↗
Granted: Jun 25, 1991
Filed: Mar 29, 1990
Inventor
Walter P. Wright
Assignee (at issue)
Asten, 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.