Granted Patent
Utility
US 5,445,653 · App. 08/218,753
Method of dyeing nylon to produce colorfast fiber which resists further dyeing
Inventors:
Robert R. Hixson, Randy J. Rawlston, Hobert C. Sweatman
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Mar 28, 1994
Inventors
Robert R. Hixson
Randy J. Rawlston
Hobert C. Sweatman
Assignee (at issue)
Rossville Yarn, 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.