Granted Patent
Utility
US 6,019,667 · App. 09/084,275
Method for grinding silicon metalloid
Inventors:
Thomas Alva Bush, John Eric Herman, Ollie W. Marko
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: May 26, 1998
Inventors
Thomas Alva Bush
John Eric Herman
Ollie W. Marko
Assignee (at issue)
Dow Corning 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.