Granted Patent
Utility
US 5,692,899 · App. 08/495,755
Wire for orthodontic treatment and its manufacturing method
Inventors:
Osamu Takahashi, Hitoshi Hamanaka, Takayuki Yoneyama
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Jun 26, 1995
Inventors
Osamu Takahashi
Hitoshi Hamanaka
Takayuki Yoneyama
Assignees (at issue)
SEIKO INSTRUMENTS INC.
Hitoshi Hamanaka
Takayuki Yoneyama
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.