Patents Assigned to Raman Boards Limited
  • Substance delivery device
    Patent number: 7052709
    Abstract: A substance delivery device includes a combustible paperboard strip and at least one substance toxic to insects and a perfume. The delivery device can take the form of a coil and includes a flexible backing sheet for supporting the combustible paperboard strip. The flexible backing sheet is not capable of combustion. Additionally, the material of the paperboard strip can include a combustion promoter.
    Type: Grant
    Filed: June 29, 2000
    Date of Patent: May 30, 2006
    Assignee: Raman Boards Limited
    Inventors: Aroon Raman, Krishna Swamy Raja, Benoy Rema, Gubbi Krishnappa Natesh, Satheesh Kumar, Shankar Manjunatha