Granted Patent
Utility
US 6,147,607 · App. 09/371,825
Method and apparatus for helping to assure the washing of hands
Inventor:
John Lynn
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Aug 11, 1999
Inventor
John Lynn
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.