Granted Patent
Utility
US 4,284,598 · App. 06/124,379
Method for making bicomponent filaments
Inventor:
James P. Craig
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Feb 25, 1980
Inventor
James P. Craig
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.