Patents by Inventor Samuel N. Levin

Samuel N. Levin 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: 5272784
    Abstract: A toothbrush particular adapted for use in prisons and jails is set forth. The handle is of plastic construction and is preferably formed with a pair of elongate frame members defining preferably two or three cutouts therebetween. The body of the handle is formed of a flexible plastic material and has substantial filler therein. This defines a handle which cannot be sharpened to form a dangerous instrument. The handle is of conventional length and width in other regards.
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: December 28, 1993
    Inventor: Samuel N. Levin
  • Patent number: D657153
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: April 10, 2012
    Assignee: Excelligence Learning Corporation
    Inventor: Samuel N. Levin