Patents by Inventor Andrew W. Chapman

Andrew W. 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).

  • Orthopedic shoe with forefoot protective guard
    Patent number: 4177583
    Abstract: An orthopedic shoe with a domical forefoot protective guard to provide a safety zone for the distal portion of the foot. The shoe includes a generally rigid sole, to which the protective guard is attached and which extends about and overlies the dorsum of the toes. Spacer means may be utilized to provide additional forward clearances as may be required in certain deformity corrective surgical procedures.
    Type: Grant
    Filed: April 13, 1978
    Date of Patent: December 11, 1979
    Inventor: Andrew W. Chapman