Granted Patent
Utility
US 6,659,740 · App. 10/092,735
Vibrating membrane fluid circulator
Inventor:
Jean-Baptiste Drevet
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Mar 8, 2002
Inventor
Jean-Baptiste Drevet
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.