Granted Patent
Utility
US 4,735,784 · App. 06/884,387
Method of treating fluoride contaminated wastes
Inventors:
Phillip K. Davis, Vijay K. Kakaria
Patented Case
View Patent ↗
Granted: Apr 5, 1988
Filed: Jul 11, 1986
Inventors
Phillip K. Davis
Vijay K. Kakaria
Assignee (at issue)
Morrison-Knudsen Corporation
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.