Granted Patent
Utility
US 6,497,719 · App. 09/882,724
Apparatus and method for stimulating hair growth
Inventors:
Henry Pearl, David Sinofsky
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Jun 15, 2001
Inventors
Henry Pearl
David Sinofsky
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.