Granted Patent
Utility
US 5,931,773 · App. 08/867,585
Method for treatment of solid waste to minimize permeability of the waste
Inventor:
Philip J. Pisani
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Jun 2, 1997
Inventor
Philip J. Pisani
Assignee (at issue)
ENTACT, LLC
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.