Patents by Inventor Robert Sydney Richard Parker

Robert Sydney Richard Parker 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).

  • Hardenable sheet materials for surgical splints
    Patent number: 4108169
    Abstract: A water-hardenable sheet material comprising a flexible web having deposited thereon an intimate mixture of a water soluble poly(carboxylic acid) or a precursor thereof and an ion leachable inorganic particulate material.
    Type: Grant
    Filed: June 25, 1976
    Date of Patent: August 22, 1978
    Assignee: National Research Development Corporation
    Inventor: Robert Sydney Richard Parker
  • Hardenable sheet materials
    Patent number: 4102338
    Abstract: A water-hardenable sheet material comprising a flexible web having deposited thereon an intimate mixture of a water soluble poly(carboxylic acid) or a precursor thereof and an ion leachable inorganic particulate material.
    Type: Grant
    Filed: October 20, 1976
    Date of Patent: July 25, 1978
    Assignee: National Research Development Corporation
    Inventor: Robert Sydney Richard Parker