Granted Patent
Utility
US 5,863,440 · App. 08/653,228
Methods for ameliorating oil spills in marine and inland waters
Inventors:
Glenn R. Rink, Robert L. Rosania, David R. Smith, Thomas C. Johnson, Jan R. Hegeman, Peter A. Allen
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: May 24, 1996
Inventors
Glenn R. Rink
Robert L. Rosania
David R. Smith
Thomas C. Johnson
Jan R. Hegeman
Peter A. Allen
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.