Granted Patent
Utility
US 5,219,121 · App. 07/828,816
Device for the evaporation of volatile liquids
Inventors:
Rodney Thomas Fox, Geoffrey Robert Hammond
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Jan 27, 1992
Inventors
Rodney Thomas Fox
Geoffrey Robert Hammond
Assignee (at issue)
Reckitt & Colman Products Limited
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.