Patents by Inventor Roberto Tonali

Roberto Tonali 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).

  • Autodirecting security entrance for banks and the like
    Patent number: 4656954
    Abstract: This security entrance is of the box-type with interlocked doors, and comprises an armoured vestibule having one door communicating with the bank and one door communicating with the exterior; a third door can be opened into a discharge space separate from the bank. This third door is controlled by a metal detector of known type.
    Type: Grant
    Filed: August 6, 1985
    Date of Patent: April 14, 1987
    Assignee: Tonali S.p.A.
    Inventor: Roberto Tonali
  • Polyvinylbutyrate sheet staining process for the manufacture of laminated and bulletproof glass as well as product obtained by said process
    Patent number: 4216269
    Abstract: This invention provides a process for applying a stain on a sheet of polyvinylbutyrate comprising contacting specific zones of the sheet of polyvinylbutyrate with a bath comprising water and a synthetic, organic stain; removing the sheet from the bath after a suitable time of contact; and washing the sheet thoroughly.
    Type: Grant
    Filed: August 2, 1978
    Date of Patent: August 5, 1980
    Assignee: Raffaello Bertolini
    Inventors: Roberto Tonali, Raffaello Bertolini