Granted Patent
Utility
US 6,070,770 · App. 09/222,128
Aerosol flow regulator
Inventors:
Yukitoshi Tada, Naomi Iizuka, Yutaka Takeguchi
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Dec 29, 1998
Inventors
Yukitoshi Tada
Naomi Iizuka
Yutaka Takeguchi
Assignee (at issue)
Precision Valve Japan, 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.