Granted Patent
Utility
US 5,465,449 · App. 08/329,461
Denture brush
Inventor:
Martin Lewkowicz
Patented Case
View Patent ↗
Granted: Nov 14, 1995
Filed: Oct 26, 1994
Inventor
Martin Lewkowicz
Assignee (at issue)
Ranir/DCP 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.