Granted Patent
Utility
US 6,554,050 · App. 10/185,787
Iron alloy casting method and apparatus
Inventors:
Edward A. Reelfs, Billy J. Cagle, Paul T. Cody, D. Gary Wildrick, II
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Jun 28, 2002
Inventors
Edward A. Reelfs
Billy J. Cagle
Paul T. Cody
D. Gary Wildrick, II
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.