Granted Patent
Utility
US 6,213,139 · App. 09/435,166
Hybrid solids conveying system
Inventor:
Donald Scott Rogers
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Nov 5, 1999
Inventor
Donald Scott Rogers
Assignee (at issue)
Soloco, 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.