Granted Patent
Utility
US 6,463,991 · App. 09/626,515
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: Oct 15, 2002
Filed: Jul 27, 2000
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.