Granted Patent
Utility
US 4,473,086 · App. 06/451,847
Hair curling device having retractable teeth and locking means therefor
Inventors:
Arnold Thaler, David Friedson, Lai Kin
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Dec 21, 1982
Inventors
Arnold Thaler
David Friedson
Lai Kin
Assignee (at issue)
Save-Way 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.