Granted Patent
Utility
US 4,984,552 · App. 07/375,800
Fuel injection device for an internal combustion engine
Inventors:
Hiroyuki Nishizawa, Kimito Kashiwabara, Osamu Nako, Mitsuaki Ishii, Kouichi Yamane, Masaaki Miyazaki, Ryoji Nishiyama
Patented Case
View Patent ↗
Granted: Jan 15, 1991
Filed: Jul 5, 1989
Inventors
Hiroyuki Nishizawa
Kimito Kashiwabara
Osamu Nako
Mitsuaki Ishii
Kouichi Yamane
Masaaki Miyazaki
Ryoji Nishiyama
Assignees (at issue)
Mitsubisih Denki Kabushiki Kaisha
MITSUBISHI ELECTRIC 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.