Granted Patent
Utility
US 5,980,581 · App. 09/148,950
Process for desizing and cleaning woven fabrics and garments
Inventors:
Wayne A. Patterson, Robert Scott Mauney, Drayton Timms Virkler
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Sep 8, 1998
Inventors
Wayne A. Patterson
Robert Scott Mauney
Drayton Timms Virkler
Assignee (at issue)
The Virkler Company
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.