Granted Patent
Utility
US 6,089,162 · App. 09/125,126
Rail vehicle for tie loading and unloading
Inventor:
Harry Madison
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Aug 11, 1998
Inventor
Harry Madison
Assignee (at issue)
HARSCO TECHNOLOGIES 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.