Granted Patent
Utility
US 5,421,306 · App. 08/206,170
Check valve for engine fuel delivery systems
Inventor:
Edward J. Talaski
Patented Case
View Patent ↗
Granted: Jun 6, 1995
Filed: Mar 7, 1994
Inventor
Edward J. Talaski
Assignee (at issue)
WALBRO LLC
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.