Granted Patent
Utility
US 5,972,046 · App. 09/120,812
Method for dyeing cationic dyeable nylon with fiber reactive dyes without heat setting
Inventors:
Robert R. Hixson, David R. Kelly
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Jul 22, 1998
Inventors
Robert R. Hixson
David R. Kelly
Assignee (at issue)
Custom Equipment Leasing, 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.