Granted Patent
Utility
US 6,403,020 · App. 09/923,919
Method for firing ceramic cores
Inventors:
Mark A. Altoonian, Randall D. Runions
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Aug 7, 2001
Inventors
Mark A. Altoonian
Randall D. Runions
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.