Granted Patent
Utility
US 5,704,316 · App. 08/433,518
Valve drive system of an internal combustion engine
Inventors:
Akihiro Fujimoto, Shinichi Murata, Jun Isomoto, Noriyuki Miyamura, Hirofumi Higashi
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: May 12, 1995
Inventors
Akihiro Fujimoto
Shinichi Murata
Jun Isomoto
Noriyuki Miyamura
Hirofumi Higashi
Assignee (at issue)
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
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.