Patents by Inventor Willy Ehmann

Willy Ehmann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hair curler
    Patent number: 4284091
    Abstract: A hair curler comprises an elongate member having a generally helical rib extending therealong and defining depressions between the convolutions of the helical rib for receiving a tress of hair wound around the elongated member, and a clasp member adapted to be secured around the elongate member for retaining the reset of hair in the depressions.
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: August 18, 1981
    Inventor: Willy Ehmann
  • Hair curler
    Patent number: 4230133
    Abstract: A hair curler of hairpin shape comprises two like rods extending in a longitudinal direction and being of rounded cross section in a plane transverse to the longitudinal direction. A bridge connects the rods at one of their ends and diametrically opposite outer sides of the rods are undulated. The undulated outer side of one rod defines troughs staggered in the longitudinal direction relative to the troughs defined by the undulated outer side of the other rod.
    Type: Grant
    Filed: April 25, 1978
    Date of Patent: October 28, 1980
    Inventors: Bodo Aniszewski, Willy Ehmann