Granted Patent
Utility
US 6,544,498 · App. 09/446,279
Periodontal disease preventive and ameliorative agent
Inventors:
Yukihiro Takada, Seiichirou Aoe, Atsusi Serizawa, Toshiaki Suguri, Shunichi Dousako
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Mar 20, 2000
Inventors
Yukihiro Takada
Seiichirou Aoe
Atsusi Serizawa
Toshiaki Suguri
Shunichi Dousako
Assignee (at issue)
SNOW BRAND MILK PRODUCTS CO., LTD.
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.