Granted Patent
Utility
US 4,559,225 · App. 06/580,748
Sunscreen composition
Inventor:
Robert G. Fourman
Patented Case
View Patent ↗
Granted: Dec 17, 1985
Filed: Feb 16, 1984
Inventor
Robert G. Fourman
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.