Patents by Inventor Trevor Bernard Nigel Henson

Trevor Bernard Nigel Henson 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).

  • Sealable security bag
    Patent number: 6267505
    Abstract: A tamper-evident seal comprising: a first seal member having an adhesive surface region; a second seal member having a sealing surface region located for adhesion to the adhesive surface region; at least one of the adhesive surface region and the sealing surface region being at least partially coated with a heat-sensitive layer so that when the adhesive surface region is adhered to the sealing surface region the heat-sensitive layer is sealed between the first seal member and the second seal member for providing evidence of thermal tampering.
    Type: Grant
    Filed: February 8, 1999
    Date of Patent: July 31, 2001
    Assignee: Learoyd Packaging Ltd.
    Inventor: Trevor Bernard Nigel Henson