Granted Patent
Utility
US 5,968,321 · App. 08/600,432
Vapor compression distillation system and method
Inventor:
Stephan B. Sears
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Feb 13, 1996
Inventor
Stephan B. Sears
Assignee (at issue)
Ridgewood WaterPure Corporation
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.