Patents by Inventor Martha Dubinsky-Witkowski

Martha Dubinsky-Witkowski 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).

  • Animal umbrella
    Patent number: 7096875
    Abstract: A creative, protective play space device for children comprising an umbrella like structure which represents an animal, and in which the extremities of the animal, such as the head and the tail, extend beyond the end of the umbrella ribs, and fall toward the ground, creating the partial walls of the play space, which may be completed with netting fabric.
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: August 29, 2006
    Assignee: Zipjack Industries, Ltd.
    Inventor: Martha Dubinsky-Witkowski
  • Animal umbrella
    Publication number: 20050145272
    Abstract: A creative, protective play space device for children comprising an umbrella like structure which represents an animal, and in which the extremities of the animal, such as the head and the tail, extend beyond the end of the umbrella ribs, and fall toward the ground, creating the partial walls of the play space, which may be completed with netting fabric.
    Type: Application
    Filed: February 28, 2005
    Publication date: July 7, 2005
    Inventor: Martha Dubinsky-Witkowski
  • Animal umbrella
    Publication number: 20050103372
    Abstract: A creative, protective play space device for children comprising an umbrella like structure which represents an animal, and in which the extremities of the animal, such as the head and the tail, extend beyond the end of the umbrella ribs, and fall toward the ground, creating the partial walls of the play space, which may be completed with netting fabric.
    Type: Application
    Filed: November 14, 2003
    Publication date: May 19, 2005
    Inventor: Martha Dubinsky-Witkowski