Granted Patent
Utility
US 6,497,889 · App. 09/874,252
Cosmetics
Inventors:
Yoichiro Takekoshi, Tomoya Takahashi, Toshio Oonuma
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Jun 6, 2001
Inventors
Yoichiro Takekoshi
Tomoya Takahashi
Toshio Oonuma
Assignee (at issue)
KYOWA HAKKO KOGYO 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.