Granted Patent
Utility
US 4,874,361 · App. 06/947,085
Method for healing damaged skin
Inventor:
Zein E. Obagi
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Dec 29, 1986
Inventor
Zein E. Obagi
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.