Patents by Inventor Elfriede Teufelhart

Elfriede Teufelhart 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).

  • Eyeglass frame
    Patent number: D243237
    Type: Grant
    Filed: October 21, 1975
    Date of Patent: February 1, 1977
    Assignee: Optyl Corporation
    Inventor: Elfriede Teufelhart
  • Eyeglass frame
    Patent number: D243845
    Type: Grant
    Filed: October 21, 1975
    Date of Patent: March 29, 1977
    Assignee: Christian Dior, S.A.R.L.
    Inventor: Elfriede Teufelhart
  • Eyeglass frame
    Patent number: D244281
    Type: Grant
    Filed: October 21, 1975
    Date of Patent: May 10, 1977
    Assignee: Christian Dior, S.A.R.L.
    Inventor: Elfriede Teufelhart
  • Eyeglass frame
    Patent number: D244282
    Type: Grant
    Filed: October 21, 1975
    Date of Patent: May 10, 1977
    Assignee: Christian Dior, S.A.R.L.
    Inventor: Elfriede Teufelhart
  • Eyeglass frame
    Patent number: D244283
    Type: Grant
    Filed: October 21, 1975
    Date of Patent: May 10, 1977
    Assignee: Christian Dior, S.A.R.L.
    Inventor: Elfriede Teufelhart
  • Eyeglass frame
    Patent number: D244284
    Type: Grant
    Filed: October 21, 1975
    Date of Patent: May 10, 1977
    Assignee: Christian Dior, S.A.R.L.
    Inventor: Elfriede Teufelhart
  • Eyeglass frame
    Patent number: D245169
    Type: Grant
    Filed: October 21, 1975
    Date of Patent: July 26, 1977
    Assignee: Optyl Corporation
    Inventor: Elfriede Teufelhart