Granted Patent
Utility
US 4,820,139 · App. 06/391,561
Self-contained rotary fuel pump
Inventor:
Charles H. Tuckey
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Jun 24, 1982
Inventor
Charles H. Tuckey
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.