Granted Patent
Utility
US 6,497,794 · App. 09/397,500
Desalination using positively buoyant or negatively buoyant/assisted buoyancy hydrate
Inventor:
Michael D. Max
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Sep 17, 1999
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.