Granted Patent
Utility
US 5,112,562 · App. 07/645,612
Method and apparatus for manufacturing nonwoven fabrics
Inventor:
Takayuki Mende
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Jan 25, 1991
Inventor
Takayuki Mende
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.
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.