Granted Patent
Utility
US 5,913,372 · App. 09/039,178
Oil and gas well cuttings disposal system with continuous vacuum operation for sequentially filling disposal tanks
Inventor:
Gary H. Dietzen
Patented Case
View Patent ↗
Granted: Jun 22, 1999
Filed: Mar 13, 1998
Inventor
Gary H. Dietzen
Assignee (at issue)
M-l 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.