Granted Patent
Utility
US 6,709,621 · App. 10/020,250
Bristles of an applicator produced in a laser milled mold
Inventor:
Phillip Mark
Patented Case
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Granted: Mar 23, 2004
Filed: Dec 18, 2001
Inventor
Phillip Mark
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.