Granted Patent
Utility
US 4,499,355 · App. 06/589,857
Heated personal care appliances
Inventor:
Henry J. Walter
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Mar 16, 1984
Inventor
Henry J. Walter
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.