Patents by Inventor Alfred C. Leis

Alfred C. Leis 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: 5368170
    Abstract: A colander structure is arranged of a generally semi-spherical configuration to include a matrix of first apertures directed therethrough of a first width, with a plurality of annular arrays of second apertures extending from a floor portion of the colander, wherein the second apertures are of a second width substantially greater than the first width to permit the reception of popcorn kernels therethrough to eliminate such kernels, with only fully expanded popcorn components remaining within the colander structure.
    Type: Grant
    Filed: May 3, 1993
    Date of Patent: November 29, 1994
    Inventor: Alfred C. Leis