Granted Patent
Utility
US 6,125,856 · App. 09/296,689
Hair repair, styling, and straightening process
Inventor:
Yuko Yamashita
Patented Case
View Patent ↗
Granted: Oct 3, 2000
Filed: Apr 21, 1999
Inventor
Yuko Yamashita
Assignee (at issue)
Phild 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.