Granted Patent
Utility
US 6,358,409 · App. 09/470,872
Oil skimmer
Inventors:
William L. Jacoby, Jr., Harold Donald Anderson, Thomas J. Danowski
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Dec 23, 1999
Inventors
William L. Jacoby, Jr.
Harold Donald Anderson
Thomas J. Danowski
Assignee (at issue)
Safety-Kleen Systems, 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.