Granted Patent
Utility
US 6,595,140 · App. 10/164,037
Railway tie plate insertion apparatus and method
Inventors:
Harry Madison, Christian Brand
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Jun 5, 2002
Inventors
Harry Madison
Christian Brand
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.