Granted Patent
Utility
US 5,862,947 · App. 08/596,057
Hair dye color selection system and method
Inventors:
Thomas F. Wiegner, Jack Massoni
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Feb 6, 1996
Inventors
Thomas F. Wiegner
Jack Massoni
Assignee (at issue)
BRISTOL-MYERS SQUIBB COMPANY
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.