Granted Patent
Utility
US 4,829,769 · App. 07/054,421
Hydraulic transmission coupling apparatus
Inventor:
Takeo Hiramatsu
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: May 26, 1987
Inventor
Takeo Hiramatsu
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.