Granted Patent
Utility
US 4,680,444 · App. 06/726,865
Hairsetter system for electrically heating hair rollers
Inventors:
Jorgen Skovdal, Daniel Santhouse, Borge Jensen, Vito Carlucci
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Apr 25, 1985
Inventors
Jorgen Skovdal
Daniel Santhouse
Borge Jensen
Vito Carlucci
Assignee (at issue)
Clairol Incorporated
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.