Patents by Inventor Everett M. Turnbull

Everett M. Turnbull 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: 4487801
    Abstract: Microcapsules containing material therein can be burst to release the encapsulated material when the capsules are contained in an adhesive securing two surfaces together and the surfaces are pulled apart.
    Type: Grant
    Filed: October 11, 1983
    Date of Patent: December 11, 1984
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Everett M. Turnbull, Jack W. Charbonneau