Granted Patent
Utility
US 4,659,565 · App. 06/751,005
Amine oxide hair conditioner
Inventors:
Kim R. Smith, Raymond O. Johannessen, James E. Borland
Patented Case
View Patent ↗
Granted: Apr 21, 1987
Filed: Jul 1, 1985
Inventors
Kim R. Smith
Raymond O. Johannessen
James E. Borland
Assignee (at issue)
Ethyl Corporation
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.