Granted Patent
Utility
US 6,685,596 · App. 10/083,384
Variator disc and a method of fabricating the same
Inventors:
Masao Goto, Kiichiro Yamashita, Shinji Yasuhara
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Feb 27, 2002
Inventors
Masao Goto
Kiichiro Yamashita
Shinji Yasuhara
Assignee (at issue)
Koyo Seiko Co., 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.