Granted Patent
Utility
US 6,722,854 · App. 09/768,962
Canned pump with ultrasonic bubble detector
Inventor:
Ronald A. Forsberg
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Jan 24, 2001
Inventor
Ronald A. Forsberg
Assignee (at issue)
Sundyne, 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.