Granted Patent
Utility
US 4,555,430 · App. 06/641,144
Entangled nonwoven fabric made of two fibers having different lengths in which the shorter fiber is a conjugate fiber in which an exposed component thereof has a lower melting temperature than the longer fiber and method of making same
Inventor:
Alfred T. Mays
Patented Case
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Granted: Nov 26, 1985
Filed: Aug 16, 1984
Inventor
Alfred T. Mays
Assignee (at issue)
Chicopee
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.