Granted Patent
Utility
US 6,767,160 · App. 09/916,171
Porous pavement for water quantity and quality management
Inventor:
John J. Sansalone
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Jul 26, 2001
Inventor
John J. Sansalone
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.