Granted Patent
Utility
US 4,993,439 · App. 07/525,348
Curling device
Inventor:
Leslie O. Davies
Patented Case
View Patent ↗
Granted: Feb 19, 1991
Filed: May 17, 1990
Inventor
Leslie O. Davies
Assignees (at issue)
Leslie O. Davies
Sepralash Ltd.
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.