Granted Patent
Utility
US 5,678,580 · App. 08/524,602
Dental floss dispenser
Inventor:
Thomas Sherman
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Sep 6, 1995
Inventor
Thomas Sherman
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.