Granted Patent
Utility
US 5,698,929 · App. 08/070,843
Vibration wave driven motor and method of producing same
Inventors:
Hiroyuki Seki, Atsushi Kimura, Yoshifumi Nishimoto, Yutaka Maruyama
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Jun 3, 1993
Inventors
Hiroyuki Seki
Atsushi Kimura
Yoshifumi Nishimoto
Yutaka Maruyama
Assignee (at issue)
CANON KABUSHIKI KAISHA
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.