Granted Patent
Utility
US 6,139,850 · App. 08/860,993
Formulations and methods for reducing skin irritation
Inventors:
Gary S. Hahn, David O. Thueson
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Jun 23, 1997
Inventors
Gary S. Hahn
David O. Thueson
Assignee (at issue)
COSMEDERM TECHNOLOGIES, INC.
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.