Granted Patent
Utility
US 5,569,331 · App. 08/369,883
Method and apparatus for recycling oil-soaked boom and pads
Inventor:
John S. Barber
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: Jan 6, 1995
Inventor
John S. Barber
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.