Patents by Inventor Olle Gideon Carlsson

Olle Gideon Carlsson 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).

  • Tongue and groove joint
    Patent number: 4095913
    Abstract: In a tongue and groove joints the base of the groove is provided with one or more protuberances to space the tongue from the base of the groove. If the members forming the joint are such that they swell when moist the protuberances are made to be deformable to permit the members to swell without deforming the structure made from the members.
    Type: Grant
    Filed: October 6, 1976
    Date of Patent: June 20, 1978
    Inventors: Nils Ingvar Pettersson, Olle Gideon Carlsson