Granted Patent
Utility
US 6,311,963 · App. 09/452,352
Fluid-filled vibration damping device
Inventors:
Tatsuya Suzuki, Kazuhiko Kato
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Dec 1, 1999
Inventors
Tatsuya Suzuki
Kazuhiko Kato
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.