Patents by Inventor David A. Chapman

David A. Chapman 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: 5018233
    Abstract: The last for making boots and shoes comprises a main body portion (1) and a detachable toe portion (2). The two are held together during lasting by means of a peg (3) engaging in a hole (4) in the toe portion. When the last is to be removed from the shoe, only the main body portion (1) is removed, the toe portion (2) remaining in place. This enables shoes of complex toe shapes to be made.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: May 28, 1991
    Assignee: Geo. J. Cox Ltd.
    Inventors: Adam P. M. Waterfield, Norman R. Waterfield, David A. Chapman, Thomas K. Andrews, Brian Humphrey