Patents by Inventor Richard J. Cosniano

Richard J. Cosniano 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: 5078753
    Abstract: A coated abrasive product comprising a backing bearing on at least one major surface thereof a make coat, a multiplicity of erodable agglomerates comprising a resinous binder and at least one inorganic filler material adhered to said make coat, a multiplicity of individual premium abrasive grains adhered to said make coat and disposed between said erodable agglomerates, a multiplicity of individual premium abrasive grains overlying said erodable agglomerates, and a size coat overlying said individual premium abrasive grains, said erodable agglomerates, and said make coat. The coated abrasive products of this invention abrade faster and endure longer than coated abrasive products using individual conventional abrasive grains in place of erodable agglomerates.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: January 7, 1992
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: David E. Broberg, Ernest J. Duwell, Richard J. Cosniano