Patents by Inventor Lloyd M. Johnson

Lloyd M. Johnson 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: 4246953
    Abstract: An adjustable filler means for molds and method thereof which comprises a molding flask adapted to adjustably receive and support a plurality of mold-contouring fingers arranged to be functionally held in spaced relation to a pattern within the flask, so as to be readily moved and adjusted to conform to any irregular contour of such pattern or core print disposed within the flask, and wherein a contour medium is provided between the fingers and the surface of the pattern to establish a contoured space between the fingers and pattern, whereby molding sand is provided therein to form the face of a mold or core.
    Type: Grant
    Filed: August 3, 1979
    Date of Patent: January 27, 1981
    Inventor: Lloyd M. Johnson
  • Patent number: 4077151
    Abstract: A non-snagging fishing sinker comprising a flexible plastic bag having at least three sides defined thereby, wherein one side is open to allow various weight-providing materials to be placed therein, preferably wet sand. Disposed along and adjacent to the open side are a plurality of holes to receive a wrapping wire which is provided with an eye hook to be attached to a conventional fishing line. There is also formed adjacent and below the holes a weakened area, whereby the lower portion of the bag can be easily separated from the fishing line when the sinker is snagged; that is, the bag is allowed to tear along the weakened area.
    Type: Grant
    Filed: November 18, 1976
    Date of Patent: March 7, 1978
    Inventor: Lloyd M. Johnson