Granted Patent
Utility
US 4,468,978 · App. 06/283,796
Steering wheel with a resin core
Inventors:
Michiyoshi Takahara, Nobuo Saegusa, Kazuyoshi Nishijima
Patented Case
View Patent ↗
Granted: Sep 4, 1984
Filed: Jul 16, 1981
Inventors
Michiyoshi Takahara
Nobuo Saegusa
Kazuyoshi Nishijima
Assignee (at issue)
Nissan Motor Co., 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.