Patents by Inventor Mary Lou Olson

Mary Lou Olson 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: 6168019
    Abstract: An assembly of a plurality of material-containment devices is provided in roll or stack form. The individual material-containment devices have a material for absorbing waste product and a flexible bag. The bag may be everted through its opening after use to contain the absorbent material and waste. The individual devices each also have a hand-receiving structure for receiving a user's hand during use. Connection structure is associated between each device to interconnect the plurality of devices in an array or stack form. Additionally, the bag openings are non-parallel to the connection structure to facilitate use of the devices. The individual devices may each also have a closure structure for closing and sealing the everted bag after use and prior to disposal.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: January 2, 2001
    Inventor: Mary Lou Olson
  • Patent number: 6016573
    Abstract: A scarf, for pets, having a pouch incorporated therein comprised of a body made from a flexible material having at least three edges, a pouch encapsulated within the scarf body in which small articles, like disposable bags used for the disposal of animal waste, can be stored. The pouch has a closing structure which allows the user to resealably open and close the pouch. The scarf body also has a fastening structure that enables the scarf to be releasably affixed around the neck of a pet.
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: January 25, 2000
    Inventor: Mary Lou Olson
  • Patent number: 5301806
    Abstract: The invention relates to a clean up bag, more particularly to a plastic bag that has a plastic glove which is heat sealed to one interior side of the bag. The glove has two thumbs so that it may be used by either left handed or right handed individuals. The bag is covered with a cut-resistant fabric such as Kevlar, and has a padding of fibrous material on the outside of the bag which absorbs any liquid surrounding or contained in the waste to be picked up. The bag also has a draw string closure on the top which pulls from either side. The bag is turned inside out once the waste has been cleaned up, and the draw strings used to close the bag for disposal.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: April 12, 1994
    Inventor: Mary Lou Olson
  • Patent number: RE35814
    Abstract: The invention relates to a clean up bag, more particularly to a plastic bag that has a plastic glove which is heat sealed to one interior side of the bag. The glove has two thumbs so that it may be used by either left handed or right handed individuals. The bag is covered with a cut-resistant fabric such as Kevlar, and has a padding of fibrous material on the outside of the bag which absorbs any liquid surrounding or contained in the waste to be picked up. The bag also has a draw string closure on the top which pulls from either side. The bag is turned inside out once the waste has been cleaned up, and the draw strings used to close the bag for disposal.
    Type: Grant
    Filed: April 12, 1996
    Date of Patent: June 2, 1998
    Inventor: Mary Lou Olson