Granted Patent
Utility
US 6,673,249 · App. 09/987,725
Efficiency water desalination/purification
Inventor:
Michael D. Max
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Nov 15, 2001
Inventor
Michael D. Max
Assignee (at issue)
Marine Desalination Systems, 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.