Granted Patent
Utility
US 6,619,562 · App. 09/880,831
Ultrasonic atomizer allowing states of operation to be readily distinguished
Inventors:
Takehiro Hamaguchi, Norihito Nishizawa, Susumu Minamikawa
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Jun 15, 2001
Inventors
Takehiro Hamaguchi
Norihito Nishizawa
Susumu Minamikawa
Assignee (at issue)
OMRON 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.