Granted Patent
Utility
US 5,693,420 · App. 08/688,888
Thermally fusible composite fiber and non-woven fabric made of the same
Inventors:
Hirokazu Terada, Masayasu Suzuki
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Jul 31, 1996
Inventors
Hirokazu Terada
Masayasu Suzuki
Assignee (at issue)
Chisso Corporation
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.