Granted Patent
Utility
US 6,344,519 · App. 09/005,332
Systems for ameliorating aqueous hydrocarbon spills
Inventors:
Glenn R. Rink, James F. Morris, Stephen C. Stelpstra
Patented Case
View Patent ↗
Granted: Feb 5, 2002
Filed: Jan 9, 1998
Inventors
Glenn R. Rink
James F. Morris
Stephen C. Stelpstra
Assignee (at issue)
AbTech Industries, 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.