Granted Patent
Utility
US 6,506,142 · App. 09/852,713
Health maintenance system
Inventors:
Tomoya Itoh, Kazuhiko Arai
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: May 11, 2001
Inventors
Tomoya Itoh
Kazuhiko Arai
Assignee (at issue)
Combi 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.