Patents by Inventor Walter L. Larsen

Walter L. Larsen 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: 4823444
    Abstract: This device pertains primarily to supplementary fastening devices in the form of a rigid or semi rigid clip having a loop shaped portion for fastening the hook of a garment hanger or other hook including device to a clothesline or other generally linear member to which the hook is hooked. The effective length of the loop portion of the clip is increasable against the bias of an elastic member to provide for positive clamping action of the clip on the hook.
    Type: Grant
    Filed: March 17, 1986
    Date of Patent: April 25, 1989
    Inventor: Walter L. Larsen
  • Patent number: 4575906
    Abstract: This invention pertains primarily to supplementary fastening devices in the form of a loop shaped clip in which the length of the loop portion of the clip is extensible and which are adapted for fastening the hook of a garment hanger or other hook including device to a clothesline or other linear member to which the hook is hooked.
    Type: Grant
    Filed: April 10, 1979
    Date of Patent: March 18, 1986
    Inventor: Walter L. Larsen
  • Patent number: 4553294
    Abstract: This invention pertains primarily to supplementary fastening devices in the form of jawed openable clips having a slot in one or both jaws used for fastening the hook of a garment hanger or other hook including device to a clothesline or other generally linear member. Certain embodiments can additionally be used for fastening two linear members together in a crossing relationship.
    Type: Grant
    Filed: March 20, 1981
    Date of Patent: November 19, 1985
    Inventor: Walter L. Larsen
  • Patent number: 4088337
    Abstract: An equipment-moving dolly comprising a walking beam having a rigid planar member with a planar surface, said planar member having attached thereto, approximately perpendicular to the planar surface, one or more rigid, weight-bearing arms, said arms terminating in a means for attaching the walking beam to a carriage base; a carriage base having a rigid member, said rigid member having attached thereto two or more rigid, weight-bearing struts, including a pair of outer struts approximately perpendicular to a plane taken through the carriage base, with each strut parallel to the other struts, said outer struts having a means for pivotably attaching said walking beam to said carriage base for allowing the walking beam to pivot relative to said carriage base, and having a means for attaching said struts to a roller assembly; and a roller assembly comprising two or more roller devices in tandem having a means for individually attaching each roller device to the struts of the carriage base.
    Type: Grant
    Filed: August 19, 1976
    Date of Patent: May 9, 1978
    Inventors: Walter L. Larsen, William L. Larsen