Patents by Inventor Marie Cristina Spada Bernardo

Marie Cristina Spada Bernardo 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).

  • 100% polyester material for the manufacture of a pest control applicator
    Patent number: 5731055
    Abstract: Gas-permeable 100% reinforced thermosetting polyester film material for the manufacture of pest control applicators, comprising a grid including a base of polyester yarn overlain with top and bottom layers of polyester fibers, and an aqueous-based paste of the same polyester filling the spaces between the grid yarn and fibers and having a melting point lower than the grid yarn and fibers polyester. A pest control applicator is formed of such film material, filled with pest control agent reactive with water to release a fumigating gas, and after reaction of the pest control agent with air humidity, the applicator is immersed in water to deactivate residial pest control agent.
    Type: Grant
    Filed: February 21, 1995
    Date of Patent: March 24, 1998
    Assignee: Casa Bernardo LTDA
    Inventor: Marie Cristina Spada Bernardo