Granted Patent
Utility
US 4,261,972 · App. 06/078,253
Hydroalcoholic aerosol hair sprays
Inventors:
Arun Nandagiri, Uma Tripathi
Patented Case
View Patent ↗
Granted: Apr 14, 1981
Filed: Sep 24, 1979
Inventors
Arun Nandagiri
Uma Tripathi
Assignee (at issue)
American Cyanamid Company
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.