Patents by Inventor Joseph Delsignore

Joseph Delsignore 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).

  • Sharpening method and apparatus
    Patent number: 5785586
    Abstract: A method and apparatus for sharpening razor blades and the like including a sharpening element with a high alumina-oxide content and a lubrication sharpening slurry. The method involved sharpening the effected surface of the blade by polishing the blade within the slurry having entrained microscopic material formed by reaction of the alumina-oxide sharpening element with the compounds of the lubrication material without actual contact of the blade with the sharpening element.
    Type: Grant
    Filed: November 5, 1996
    Date of Patent: July 28, 1998
    Inventor: Joseph Delsignore