Granted Patent
Utility
US 5,082,739 · App. 07/184,729
Metallized spinel with high transmittance and process for producing
Inventors:
Donald W. Roy, James L. Hastert, Kenneth E. Green, Lawrence E. Courbrough, Aurielo Trujillo
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Apr 22, 1988
Inventors
Donald W. Roy
James L. Hastert
Kenneth E. Green
Lawrence E. Courbrough
Aurielo Trujillo
Assignee (at issue)
Coors Porcelain Company
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.