Granted Patent
Utility
US 6,826,953 · App. 10/623,147
Flow sensor
Inventor:
Chiun Wang
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Jul 18, 2003
Inventor
Chiun Wang
Assignee (at issue)
CELERITY, 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.