Granted Patent
Utility
US 4,893,594 · App. 07/273,890
Start-fuel supply device in internal combustion engine for portable equipment
Inventor:
Takeshi Kobayashi
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Nov 21, 1988
Inventor
Takeshi Kobayashi
Assignee (at issue)
Walbro Far East, Inc.
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.