Patents by Inventor Marvin R. Hall

Marvin R. Hall 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: 4464854
    Abstract: A correctional collar to be worn around the neck of a person convicted of a crime comprising an elongated flexible strip having a width of about one to two inches and a length of about fifteen to thirty inches; the strip having a first pair of transversely spaced holes adjacent one longitudinal end of the strip, the strip being provided with a second pair of transversely spaced holes arranged in parallel relation and longitudinally spaced a first predetermined distance away from the first pair of holes, the opposite end of the strip being provided with a plurality of additional pairs of transversely spaced holes arranged in parallel relation to each other and parallel to the first and second pairs of holes; each pair of holes of the additional pairs of holes being longitudinally spaced from each adjacent pair a second predetermined distance, the holes of all pairs of holes having the same transverse spacing; a plate having a width greater than the transverse spacing between the holes of each pair of holes and
    Type: Grant
    Filed: April 11, 1983
    Date of Patent: August 14, 1984
    Inventor: Marvin R. Hall