Granted Patent
Utility
US 5,245,964 · App. 07/946,476
Intake port structure for internal combustion engine
Inventors:
Syunsuke Matsuo, Osamu Hirako, Nobuaki Murakami, Katsuo Akishino, Keizo Furukawa, Hiromitsu Ando, Kinichi Iwachido, Masayuki Motomochi
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: Nov 10, 1992
Inventors
Syunsuke Matsuo
Osamu Hirako
Nobuaki Murakami
Katsuo Akishino
Keizo Furukawa
Hiromitsu Ando
Kinichi Iwachido
Masayuki Motomochi
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.