Patents by Inventor Holger Bertil Ingvar Gustavsson

Holger Bertil Ingvar Gustavsson 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).

  • Ice skate
    Patent number: D245800
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: September 13, 1977
    Inventors: Holger Bertil Ingvar Gustavsson, Adolf Hensler, Ferdinand Haizinger