Granted Patent
Utility
US 4,975,326 · App. 07/280,764
High strength polyester yarn for improved fatigue resistance
Inventors:
Edward J. Buyalos, David W. Millure, James G. Neal, Hugh H. Rowan
Patented Case
View Patent ↗
Granted: Dec 4, 1990
Filed: Dec 7, 1988
Inventors
Edward J. Buyalos
David W. Millure
James G. Neal
Hugh H. Rowan
Assignee (at issue)
AlliedSignal, 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.