Granted Patent
Utility
US 5,598,594 · App. 08/461,058
Spill containment ramp
Inventors:
John O. Milliken, Darel R. Taylor
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Jun 5, 1995
Inventors
John O. Milliken
Darel R. Taylor
Assignee (at issue)
ENPAC, 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.