Granted Patent
Utility
US 4,753,732 · App. 07/038,495
Method of stripping dyes from high-boiling non-ionic media
Inventors:
James K. Davis, Robert W. Connelly
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Apr 15, 1987
Inventors
James K. Davis
Robert W. Connelly
Assignee (at issue)
Burlington Industries LLC
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.