Granted Patent
Utility
US 6,466,739 · App. 09/916,275
Electric evaporator for insecticides or perfumes in liquid formulation, with adjustable evaporation intensity
Inventors:
Stefano Ambrosi, Stefano Baldessari, Paolo Campedelli, Filippo Stenico
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Jul 30, 2001
Inventors
Stefano Ambrosi
Stefano Baldessari
Paolo Campedelli
Filippo Stenico
Assignee (at issue)
ZOBELE HOLDING SPA
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.