Patents by Inventor David Christian Shepherd

David Christian Shepherd 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: 6431349
    Abstract: An article, such as an artist's canvas (12), having at least one touch sensitive area (14) on its surface is carried in a device (10) comprising a base (16), side walls (18, 19, 20, 21), and a cross-member (22) extending across the device (10) in a position spaced from the base (16). A plurality of contact pins (24) are carried by the cross-member (22) and extend towards the base (16). The location of the contact pins (24) on the cross-member (22) can be adjusted, thereby to enable the contact pins (24) to make contact with the article (12) at positions spaced from the touch sensitive area (14).
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: August 13, 2002
    Inventors: David Christian Shepherd, Kathleen Margaret Shepherd
  • Publication number: 20010015324
    Abstract: An article, such as an artist's canvas (12), having at least one touch sensitive area (14) on its surface is carried in a device (10) comprising a base (16), side walls (18, 19, 20, 21), and a cross-member (22) extending across the device (10) in a position spaced from the base (16). A plurality of contact pins (24) are carried by the cross-member (22) and extend towards the base (16). The location of the contact pins (24) on the cross-member (22) can be adjusted, thereby to enable the contact pins (24) to make contact with the article (12) at positions spaced from the touch sensitive area (14).
    Type: Application
    Filed: February 16, 2001
    Publication date: August 23, 2001
    Inventors: David Christian Shepherd, Kathleen Margaret Shepherd