Granted Patent
Utility
US 4,452,561 · App. 06/350,305
Railway wheel lifter and inverter
Inventor:
Henry R. Forte
Patented Case
View Patent ↗
Granted: Jun 5, 1984
Filed: Feb 19, 1982
Inventor
Henry R. Forte
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.