Patents by Inventor R. James Norbury

R. James Norbury 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).

  • Liquid transfer device
    Patent number: 4878775
    Abstract: A device provides liquid material for application to a surface. The device comprises in order at least a carrying substrate, frangible microcapsules containing the liguid to be applied, a raised area around the microcapsules of a structurally rigid material, and a flexible, liquid permeable material overlaying the microcapsules. Pressure on the liquid permeable material ruptures the microcapsules and enables the liquid to flow through the permeable material.
    Type: Grant
    Filed: October 28, 1987
    Date of Patent: November 7, 1989
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: R. James Norbury, Daniel B. Pendergrass, Jr.