Patents by Inventor George Weisenfeld

George Weisenfeld 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).

  • Sunglass rack
    Patent number: D243302
    Type: Grant
    Filed: October 23, 1975
    Date of Patent: February 8, 1977
    Inventors: George Weisenfeld, David Halpern
  • Eyeglass retaining cord with adjustable slide
    Patent number: D291894
    Type: Grant
    Filed: September 4, 1984
    Date of Patent: September 15, 1987
    Assignee: International Tropic-Cal, Inc.
    Inventors: George Weisenfeld, David Halpern