Patents by Inventor Richard W. Lasher

Richard W. Lasher 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).

  • Pigmented asbestos coating systems
    Patent number: 3947286
    Abstract: Premium latex paints are disclosed exhibiting superior opacity and brightness characteristics, including dispersed and liberated short chrysotile asbestos fibers having anionic pigment particles electrostatically attached at discrete points along the length of the fibers.
    Type: Grant
    Filed: July 26, 1974
    Date of Patent: March 30, 1976
    Assignee: Union Carbide Corporation
    Inventors: John L. Myers, Richard W. Lasher, Russell D. James