Granted Patent
Utility
US 6,440,200 · App. 09/885,156
Evaporated fuel discharge preventing apparatus
Inventors:
Hitoshi Sakakibara, Tomonari Toki, Hideo Yamada
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Jun 21, 2001
Inventors
Hitoshi Sakakibara
Tomonari Toki
Hideo Yamada
Assignee (at issue)
AISAN 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.