Patents by Inventor John R. B. Chamberlain

John R. B. Chamberlain 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).

  • Security tag having a linear clamp
    Patent number: 7602299
    Abstract: Techniques for linear release for a security tag are described.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: October 13, 2009
    Assignee: Sensormatic Electronics Corporation
    Inventors: Franklin H. Valade, Jr., John R. B. Chamberlain, Dennis L. Hogan, Thang T. Nguyen
  • Method of authenticating an item and an apparatus for authenticating an item
    Patent number: 5762377
    Abstract: A method of authenticating an item and an apparatus for authenticating an item. The items which can be authenticated are typically located in a sales room or other commercial establishment where goods are typically sold. There has been an increasing trend wherein manufacturers are providing items typically on display in sales showrooms with a tag or marking which can serve to authenticate the item or product. The consumer can then determine if the item is genuine or counterfeit by means of the tag or other identifying marking.
    Type: Grant
    Filed: August 5, 1996
    Date of Patent: June 9, 1998
    Assignee: Esselte Meto International GmbH
    Inventor: John R. B. Chamberlain