Granted Patent
Utility
US 4,565,204 · App. 06/716,901
Vapor generating hair roller
Inventor:
Jorgen Skovdal
Patented Case
View Patent ↗
Granted: Jan 21, 1986
Filed: Mar 28, 1985
Inventor
Jorgen Skovdal
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.