Granted Patent
Utility
US 6,644,381 · App. 09/608,176
Casting method and apparatus
Inventors:
Billy J. Cagle, Paul Flick, Arthur D. Parks, Edward A. Reelfs
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Jun 30, 2000
Inventors
Billy J. Cagle
Paul Flick
Arthur D. Parks
Edward A. Reelfs
Assignee (at issue)
International Engine Intellectual Property Company, LLC
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.