Granted Patent
Utility
US 4,909,976 · App. 07/191,446
Process for high speed melt spinning
Inventors:
John A. Cuculo, Paul A. Tucker, Gao-Yuan Chen, Chon-Yie Lin, Jeffrey Denton, Ferdinand Lundberg
Patented Case
View Patent ↗
Granted: Mar 20, 1990
Filed: May 9, 1988
Inventors
John A. Cuculo
Paul A. Tucker
Gao-Yuan Chen
Chon-Yie Lin
Jeffrey Denton
Ferdinand Lundberg
Assignee (at issue)
NORTH CAROLINA STATE UNIVERSITY
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.