Granted Patent
Utility
US 6,663,968 · App. 09/947,623
Corrosion-and chip-resistant coatings for high tensile steel
Inventors:
Tina L. Grubb, Catherine A. Kleckner, William E. Wertz, Michael C. Siminski, Andrew T. Daly, Jeno Muthiah
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Sep 7, 2001
Inventors
Tina L. Grubb
Catherine A. Kleckner
William E. Wertz
Michael C. Siminski
Andrew T. Daly
Jeno Muthiah
Assignee (at issue)
Rohm and Haas 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.