Granted Patent
Utility
US 4,580,684 · App. 06/481,573
Radiometric measurement
Inventors:
Rolf Bohme, Max M. Lazerson
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Apr 1, 1983
Inventors
Rolf Bohme
Max M. Lazerson
Assignee (at issue)
General Mining Union Corporation Limited
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.