Granted Patent
Utility
US 6,318,581 · App. 09/519,326
Discharge outlet for double wall containment tank assembly
Inventor:
Darwin Garton
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Mar 6, 2000
Inventor
Darwin Garton
Assignee (at issue)
Snyder Industries, LLC
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.