Granted Patent
Utility
US 4,853,032 · App. 07/086,407
Process for producing low carbon steel for cold drawing
Inventors:
Bhaskar Yalamanchili, Frank Wisniewski, Thad Boudreaux
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Aug 17, 1987
Inventors
Bhaskar Yalamanchili
Frank Wisniewski
Thad Boudreaux
Assignee (at issue)
Cargill, Incorporated
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.