Granted Patent
Utility
US 5,650,561 · App. 08/402,500
Diagnostic device for determining the pneumatic health of a bubble-type fuel measuring system
Inventor:
Gary A. Tubergen
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Mar 13, 1995
Inventor
Gary A. Tubergen
Assignee (at issue)
PULSE ELECTRONICS, 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.