Granted Patent
Utility
US 6,651,650 · App. 08/313,249
Ultrasonic atomizer, ultrasonic inhaler and method of controlling same
Inventors:
Hirohito Yamamoto, Kei Asai, Masaru Obata
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Oct 4, 1994
Inventors
Hirohito Yamamoto
Kei Asai
Masaru Obata
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.