Granted Patent
Utility
US 4,513,761 · App. 06/593,582
Hair roller clip
Inventor:
Gary Van Deursen
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Mar 26, 1984
Inventor
Gary Van Deursen
Assignee (at issue)
BLACK & DECKER 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.