Granted Patent
Utility
US 6,224,045 · App. 09/223,305
Vibration damping device having fluid chambers on opposite sides of partition structure having movable rubber plate
Inventors:
Atsushi Muramatsu, Yoshihiko Hagino, Hiroaki Tanahashi
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Dec 30, 1998
Inventors
Atsushi Muramatsu
Yoshihiko Hagino
Hiroaki Tanahashi
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.