Patents by Inventor Henri Joseph Marie Adrien Leroy

Henri Joseph Marie Adrien Leroy 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).

  • Patent number: 4031588
    Abstract: The invention relates to a broom comprising a bundle of plastics stems wound around a hollow bar for the broom handle. The winding of the plastics stems is ensured by a binding strip co-operating with opposite crenels of the stems serving as a fixing point for the strip and as a passageway for the spirals of the strip to absorb its thickness.
    Type: Grant
    Filed: September 15, 1976
    Date of Patent: June 28, 1977
    Assignee: Henri Joseph Marie Andrien Leroy
    Inventors: Henri Joseph Marie Adrien Leroy, Christian Ludovic Leroy