Granted Patent
Utility
US 4,949,721 · App. 07/389,582
Transcutaneous electric nerve stimulater
Inventors:
Mamoru Toriu, Ikuo Onishi, Youichiro Tani, Nobuo Ogiwara, Hiroshi Tanikoshi, Mitsuru Kitamura
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Aug 4, 1989
Inventors
Mamoru Toriu
Ikuo Onishi
Youichiro Tani
Nobuo Ogiwara
Hiroshi Tanikoshi
Mitsuru Kitamura
Assignees (at issue)
Omron Tateisi Electronics
ITO 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.