Patents by Inventor Irene M. Dorr

Irene M. Dorr 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).

  • Barrette with swiveled hinge
    Patent number: 3998233
    Abstract: The invention relates to a novel barrette structure useable in the manner of similar prior art structures and alternately capable of 360.degree. rotation about the closed end thereof to facilitate styling of the hair.
    Type: Grant
    Filed: September 22, 1975
    Date of Patent: December 21, 1976
    Inventor: Irene M. Dorr