Patents by Inventor Madeline Ziolkowski

Madeline Ziolkowski 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: D314409
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: February 5, 1991
    Inventor: Madeline Ziolkowski
  • Patent number: D314410
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: February 5, 1991
    Inventor: Madeline Ziolkowski
  • Patent number: D314411
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: February 5, 1991
    Inventor: Madeline Ziolkowski
  • Patent number: D314800
    Type: Grant
    Filed: October 19, 1988
    Date of Patent: February 19, 1991
    Inventor: Madeline Ziolkowski
  • Patent number: D317803
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: June 25, 1991
    Inventor: Madeline Ziolkowski
  • Patent number: D317958
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: July 2, 1991
    Inventor: Madeline Ziolkowski