Granted Patent
Utility
US 4,517,067 · App. 06/461,279
Discrete particulate bipolar reactor
Inventors:
John J. Byerley, Kurt Enns
Patented Case
View Patent ↗
Granted: May 14, 1985
Filed: Jan 26, 1983
Inventors
John J. Byerley
Kurt Enns
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.