Granted Patent
Utility
US 4,329,147 · App. 06/215,966
Wetting solution for use in continuous dyeing of polyamide fabric
Inventor:
Paul William Richard Harris
Patented Case
View Patent ↗
Granted: May 11, 1982
Filed: Dec 12, 1980
Inventor
Paul William Richard Harris
Assignee (at issue)
Allied Chemical Corporation
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.