Granted Patent
Utility
US 6,445,149 · App. 09/690,734
Vibrator controlling method and vibrator
Inventors:
Atsushi Muramatsu, Hiroyuki Ichikawa
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Oct 18, 2000
Inventors
Atsushi Muramatsu
Hiroyuki Ichikawa
Assignee (at issue)
TOKAI RUBBER INDUSTRIES, 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.