Granted Patent
Utility
US 6,550,645 · App. 09/785,907
Method and apparatus for shipping bulk liquid, near-liquid and dry particulate materials
Inventors:
Charles Nelson, James Patton
Patented Case
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Granted: Apr 22, 2003
Filed: Feb 16, 2001
Inventors
Charles Nelson
James Patton
Assignee (at issue)
Cortainer Patent Warehouse, L.L.C.
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.