Patents by Inventor David Thomson Allan

David Thomson Allan 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).

  • Pneumatic tool
    Patent number: 6755260
    Abstract: There is provided an hand-held pneumatic tool which has a body, a tool fitted to the lower end of the body and a handle at the upper end of the body. The handle is connected to the body by a resilient connection means which permits relative actual movement between the handle and the body.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: June 29, 2004
    Assignee: MacDonald Air Tools Limited
    Inventor: David Thomson Allan