Granted Patent
Utility
US 4,810,490 · App. 07/058,018
Sunscreen composition
Inventors:
Richard P. Dixon, Mary E. Foxx
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Jun 4, 1987
Inventors
Richard P. Dixon
Mary E. Foxx
Assignee (at issue)
Carter Wallace, 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.