Granted Patent
Utility
US 6,651,330 · App. 10/193,202
Torque converter
Inventors:
Shigeaki Yamanaka, Toshio Kobayashi
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Jul 12, 2002
Inventors
Shigeaki Yamanaka
Toshio Kobayashi
Assignees (at issue)
Kubota Iron Works Co., Ltd.
Fuji Jukogyo 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.