Granted Patent
Utility
US 5,497,796 · App. 08/230,836
Method for hair joining, hair used for the method, and joining hair retainer
Inventors:
Kousuke Mochizuki, Ryuji Teratoko
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Apr 21, 1994
Inventors
Kousuke Mochizuki
Ryuji Teratoko
Assignee (at issue)
ADERANS COMPANY 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.