Granted Patent
Utility
US 5,511,960 · App. 08/032,325
Spinneret device for conjugate melt-blow spinning
Inventors:
Taiju Terakawa, Sadaaki Nakajima
Patented Case
View Patent ↗
Granted: Apr 30, 1996
Filed: Mar 17, 1993
Inventors
Taiju Terakawa
Sadaaki Nakajima
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.