Granted Patent
Utility
US 6,083,283 · App. 09/019,911
Method for removing color from ionically dyeable polymeric materials
Inventors:
Gordon A. Berkstresser, IV, Richard A. Dunbar, George R. McLellan, Le Moyne W. Plischke, Yiqi Yang
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Feb 6, 1998
Inventors
Gordon A. Berkstresser, IV
Richard A. Dunbar
George R. McLellan
Le Moyne W. Plischke
Yiqi Yang
Assignee (at issue)
Soliton, 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.