Granted Patent
Utility
US 6,695,799 · App. 10/158,113
Relaxation apparatus
Inventors:
Masako Kitadou, Kazunori Araki, Tatsuya Takahashi, Kazumi Okawa, Suehisa Kishimoto, Yuuki Yoda
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: May 31, 2002
Inventors
Masako Kitadou
Kazunori Araki
Tatsuya Takahashi
Kazumi Okawa
Suehisa Kishimoto
Yuuki Yoda
Assignee (at issue)
Matsushita Electric Works, 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.