Granted Patent
Utility
US 5,727,511 · App. 08/636,221
Cylinder liner and cylinder block and method for producing the cylinder liner and the cylinder block
Inventors:
Hiroyuki Omura, Shin Nitta, Yosuke Takahashi, Hirotake Usui, Jun Isomoto, Haruhisa Mori, Takashi Yamaguchi, Hiroshi Miyazaki
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Apr 23, 1996
Inventors
Hiroyuki Omura
Shin Nitta
Yosuke Takahashi
Hirotake Usui
Jun Isomoto
Haruhisa Mori
Takashi Yamaguchi
Hiroshi Miyazaki
Assignees (at issue)
RYOBI LTD.
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.