Granted Patent
Utility
US 4,155,994 · App. 05/761,320
Hair conditioning agents
Inventors:
John J. Merianos, Harold A. Green, Morris Weinstein
Patented Case
View Patent ↗
Granted: May 22, 1979
Filed: Jan 21, 1977
Inventors
John J. Merianos
Harold A. Green
Morris Weinstein
Assignee (at issue)
Kewanee Industries, Inc.
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.