Patents by Inventor Louis C. Belisle, deceased

Louis C. Belisle, deceased 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).

  • Method of making wet retroreflective marking material
    Patent number: 6127020
    Abstract: A method of making a retroreflective marking material is provided, the method has the steps of: (a) providing an enclosed-lens retroreflective sheet having a top surface and a bottom surface and comprising a cover layer and a monolayer of retroreflective elements; (b) applying a conformance layer to the bottom surface of the retroreflective sheet; and (c) laminating a configuration member to the conformance layer thereby creating first portions and second portions in the sheet, the first portions being arranged in an upwardly contoured profile and the second portions being arranged in a lower, substantially planar position. A retroreflective article made by the method is also provided.
    Type: Grant
    Filed: May 7, 1999
    Date of Patent: October 3, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Chester A. Bacon, Jr., Louis C. Belisle, deceased, Larry K. Stump, Terry R. Bailey, T. Ian Bradshaw, Dale H. Haunschild, Gregory F. Jacobs
  • High entrance angle retroreflective article and method of making
    Patent number: 5880885
    Abstract: Retroreflective article that provides effective retroreflective brightness at very high entrance angles as well as low entrance angles.
    Type: Grant
    Filed: June 27, 1996
    Date of Patent: March 9, 1999
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Terry R. Bailey, Louis C. Belisle, deceased, Larry K. Stump, Gregory F. Jacobs, David G. Schueler, Dale H. Haunschild