Granted Patent
Utility
US 5,195,934 · App. 07/784,108
Differential device for vehicle
Inventors:
Shiro Ichiki, Hideyasu Takefuta
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: Oct 29, 1991
Inventors
Shiro Ichiki
Hideyasu Takefuta
Assignee (at issue)
Diesel Kiki 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.