Granted Patent
Utility
US 4,602,948 · App. 06/775,205
Production of an iron-boron-silicon-carbon composition utilizing carbon reduction
Inventor:
Subhash C. Singhal
Patented Case
View Patent ↗
Granted: Jul 29, 1986
Filed: Sep 12, 1985
Inventor
Subhash C. Singhal
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.