Granted Patent
Utility
US 5,890,576 · App. 08/010,620
Clutch disc assembly
Inventors:
Hideyuki Imanaka, Hisashi Honjo, Ikuo Murata, Yasuyuki Hashimoto
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Jan 22, 1998
Inventors
Hideyuki Imanaka
Hisashi Honjo
Ikuo Murata
Yasuyuki Hashimoto
Assignee (at issue)
EXEDY 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.