Granted Patent
Utility
US 4,826,569 · App. 07/099,899
Process for producing a fiber aggregate
Inventors:
Tomohito Ito, Renichi Isomura, Hidetoshi Hirai, Fukuo Gomi
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: Sep 22, 1987
Inventors
Tomohito Ito
Renichi Isomura
Hidetoshi Hirai
Fukuo Gomi
Assignee (at issue)
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
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.