Patents by Inventor Richard Ernest Dunbar Hamm

Richard Ernest Dunbar Hamm 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).

  • Workbench
    Patent number: 6286405
    Abstract: A workbench having four vice sections 4, 6, 8, 10 which are independently adjustable to provide a gap 32 therebetween in which to clamp a workpiece 30, and a gap 24 therebetween through which a saw can be placed in order to cut through the workpiece . An optional mitre guide 49 can be provided in order to form a guide for the saw, the position of the guide 49 being adjustable to facilitate cuts at different angles through the workpiece 30.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: September 11, 2001
    Inventor: Richard Ernest Dunbar Hamm