Granted Patent
Utility
US 5,406,825 · App. 08/233,927
Forging die
Inventors:
Noritoshi Horie, Kimihiko Sato, Koichi Kanda, Kazuhiro Mitamura, Keiichi Hamazaki, Takehiko Kori
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Apr 28, 1994
Inventors
Noritoshi Horie
Kimihiko Sato
Koichi Kanda
Kazuhiro Mitamura
Keiichi Hamazaki
Takehiko Kori
Assignee (at issue)
ASAHI GLASS 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.