Granted Patent
Utility
US 4,492,241 · App. 06/350,185
Retractable curling brush
Inventors:
Arnold Thaler, David Friedson, Lai Kin
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: Feb 19, 1982
Inventors
Arnold Thaler
David Friedson
Lai Kin
Assignee (at issue)
Windmere 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.