Granted Patent
Utility
US 4,721,080 · App. 06/787,794
Structure of combustion chamber in diesel engine
Inventors:
Takeshi Moriyasu, Jun Isomoto, Tatsuro Nakagami, Hiroo Takahashi, Takuo Maeda
Patented Case
View Patent ↗
Granted: Jan 26, 1988
Filed: Oct 3, 1985
Inventors
Takeshi Moriyasu
Jun Isomoto
Tatsuro Nakagami
Hiroo Takahashi
Takuo Maeda
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.