Patents by Inventor William Sydney Merchant

William Sydney Merchant 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: 5922156
    Abstract: A method of making a bent inflatable tube includes providing elements on the boundaries of the tube surfaces which contact one another, such as elements which are interengaging loops through which is passed a tension member, such as a cord, or alternatively using interengaging teeth of a zip fastener or male and female components to hold the tube in a bent condition.
    Type: Grant
    Filed: January 23, 1997
    Date of Patent: July 13, 1999
    Assignee: Dunlop Beaufort Limited
    Inventor: William Sydney Merchant