Granted Patent
Utility
US 6,383,432 · App. 09/488,782
High-speed apparatus and method for producing thermoplastic synthetic fibers
Inventors:
Sadaaki Nakajima, Taiju Terakawa, Kanemitsu Fuchigami, Masaru Nishijima
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Jan 21, 2000
Inventors
Sadaaki Nakajima
Taiju Terakawa
Kanemitsu Fuchigami
Masaru Nishijima
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.