Granted Patent
Utility
US 6,554,713 · App. 09/919,993
Coupling for coupling two shafts
Inventors:
Hideki Sunada, Takayuki Yokota
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Aug 2, 2001
Inventors
Hideki Sunada
Takayuki Yokota
Assignee (at issue)
Unisia Jecs Corporation
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.