Granted Patent
Utility
US 4,989,976 · App. 07/355,949
Device for supplying liquid to a nebulizer in a spectrometer
Inventor:
Bernhard Huber
Patented Case
View Patent ↗
Granted: Feb 5, 1991
Filed: May 23, 1989
Inventor
Bernhard Huber
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.