Granted Patent
Utility
US 5,693,103 · App. 08/790,358
Process for dyeing polyester/cotton blends
Inventors:
Thomas Van Chambers, Christine Feuchtner
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Jan 24, 1997
Inventors
Thomas Van Chambers
Christine Feuchtner
Assignee (at issue)
DyStar L.P.
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.