Granted Patent
Utility
US 4,376,802 · App. 06/114,819
Finish composition for polyester yarn
Inventor:
Robert M. Marshall
Patented Case
View Patent ↗
Granted: Mar 15, 1983
Filed: Jan 24, 1980
Inventor
Robert M. Marshall
Assignee (at issue)
ALLIED CONSULTING, 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.