Granted Patent
Utility
US 6,576,248 · App. 09/659,223
Pigmented vitamin C composition
Inventors:
Claude C. Simard, Ernest S. Curtis, Harold E. Pahlck
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Sep 11, 2000
Inventors
Claude C. Simard
Ernest S. Curtis
Harold E. Pahlck
Assignee (at issue)
Avon Products, 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.