Granted Patent
Utility
US 5,217,652 · App. 07/771,598
Conditioning shampoo
Inventor:
Carl F. Iovanni
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Oct 4, 1991
Inventor
Carl F. Iovanni
Assignee (at issue)
The Gillette Company LLC
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.