Granted Patent
Utility
US 6,506,337 · App. 09/827,156
Molten metal ladle transport arrangement
Inventor:
Christopher Z. Sieradzki
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Apr 6, 2001
Inventor
Christopher Z. Sieradzki
Assignee (at issue)
AMSTED INDUSTRIES INCORPORATED
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.