Granted Patent
Utility
US 4,842,646 · App. 06/910,653
Substantive dyes, inks and dye baths
Inventor:
Rodger L. Gamblin
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Sep 23, 1986
Inventor
Rodger L. Gamblin
Assignee (at issue)
Saranda Consolidated Limited Partnership
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.