Granted Patent
Utility
US 5,980,464 · App. 09/192,282
Apparatus for evaluating exercise function of person
Inventor:
Hideichi Tsuda
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Nov 16, 1998
Inventor
Hideichi Tsuda
Assignee (at issue)
Colin 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.