Granted Patent
Utility
US 6,023,969 · App. 09/006,246
Flow modulated mass flow sensor
Inventor:
Murray F. Feller
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Jan 13, 1998
Inventor
Murray F. Feller
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.