Granted Patent
Utility
US 6,609,873 · App. 10/014,639
Bulk material unloading facility
Inventors:
William W. Just, Robert E. Singleton, Jr.
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Oct 26, 2001
Inventors
William W. Just
Robert E. Singleton, Jr.
Assignee (at issue)
Carbis 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.