Granted Patent
Utility
US 4,371,658 · App. 06/239,835
Polyamide yarn spin finish containing a glyceride and oxidized polyethylene
Inventors:
Robert M. Marshall, Kimon C. Dardoufas
Patented Case
View Patent ↗
Granted: Feb 1, 1983
Filed: Mar 2, 1981
Inventors
Robert M. Marshall
Kimon C. Dardoufas
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.