Granted Patent
Utility
US 4,479,204 · App. 06/268,787
Method of monitoring the spacial production of hydrocarbons from a petroleum reservoir
Inventor:
Daniel Silverman
Patented Case
View Patent ↗
Granted: Oct 23, 1984
Filed: Jun 1, 1981
Inventor
Daniel Silverman
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.