Granted Patent
Utility
US 6,460,599 · App. 10/020,490
Reinforced ceramic shell mold and method of making same
Inventors:
Rajeev Naik, John Corrigan
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Oct 30, 2001
Inventors
Rajeev Naik
John Corrigan
Assignee (at issue)
Howmet Research 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.