Granted Patent
Utility
US 6,465,446 · App. 09/805,024
Treatment of dermatitis by the topical application of &Dgr;5-androstene-3&bgr;-ol-7,17 dione and metabolizable precursors thereof
Inventor:
John C. Dykstra
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Mar 12, 2001
Inventor
John C. Dykstra
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.