Granted Patent
Utility
US 6,603,401 · App. 10/030,071
Electronic lock control system and home medical management system
Inventor:
Kenji Ueyama
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Jan 10, 2002
Inventor
Kenji Ueyama
Assignee (at issue)
SANYO ELECTRIC 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.