Granted Patent
Utility
US 4,646,514 · App. 06/826,655
Partially oriented nylon yarn and process
Inventors:
John M. Chamberlin, Edward W. Chilvers, Jr., Walter J. Nunning, John H. Southern
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: Apr 28, 1986
Inventors
John M. Chamberlin
Edward W. Chilvers, Jr.
Walter J. Nunning
John H. Southern
Assignee (at issue)
Monsanto Company
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.