Granted Patent
Utility
US 4,602,950 · App. 06/775,074
Production of ferroboron by the silicon reduction of boric acid
Inventors:
Subhash C. Singhal, David Moon
Patented Case
View Patent ↗
Granted: Jul 29, 1986
Filed: Sep 12, 1985
Inventors
Subhash C. Singhal
David Moon
Assignee (at issue)
Westinghouse Electric Company LLC
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.