Granted Patent
Utility
US 5,804,203 · App. 08/666,978
Topical product formulations containing strontium for reducing skin irritation
Inventors:
Gary S. Hahn, David O. Thueson, Timothy W. Quick
Patented Case
View Patent ↗
Granted: Sep 8, 1998
Filed: Jun 20, 1996
Inventors
Gary S. Hahn
David O. Thueson
Timothy W. Quick
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.