Granted Patent
Utility
US 6,613,562 · App. 10/217,602
Method and apparatus for solids processing
Inventor:
Stephen W. Dvorak
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Aug 13, 2002
Inventor
Stephen W. Dvorak
Assignee (at issue)
GHD, INC.
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.