Patents by Inventor Kenneth R. Kurttila

Kenneth R. Kurttila 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).

  • Sheet for titling light-sensitive material
    Patent number: 4200675
    Abstract: A sheet suitable for making typewriter producible negatives to impart an identifying title to light-sensitive material which comprises an opaque sheet formed with a narrow rectangular area defined by spaced parallel perforations in the sheet affording removal of the sheet material from the rectangular area and a carbon ribbon secured to the sheet such that typing on the ribbon transfers the carbon to the removable sheet material in the rectangular area affording transparent areas in the ribbon defining the indicia desired for the title.
    Type: Grant
    Filed: June 16, 1978
    Date of Patent: April 29, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Lawrence A. Flor, Kenneth R. Kurttila