Granted Patent
Utility
US 6,060,435 · App. 08/906,182
Solubilized and regenerating iron reducing additive
Inventors:
Ricky N. Beard, Edward F. Vinson
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Aug 4, 1997
Inventors
Ricky N. Beard
Edward F. Vinson
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.