Granted Patent
Utility
US 4,825,772 · App. 06/514,940
Pouring tank and track transfer assembly
Inventor:
Lyman W. Jeffreys
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: Jul 18, 1983
Inventor
Lyman W. Jeffreys
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.