Patents by Inventor Ann C. Stalin

Ann C. Stalin 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).

  • Plunger to support a wall on plastics foaming and method to make such a plunger
    Patent number: 5090885
    Abstract: A plunger (10) for supporting a wall (46) of e.g. a refrigerator door against deformation from an expanding, and hardening foamed plastic (52) on the other side of the wall. An evacuated bag-formed part (18) filled with a particulate material (20), has a surface (42) showing an impression of the form of the wall (46). The plunger (10) is reshapable, so that it can serve as a plunger for walls (46) of different forms.
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: February 25, 1992
    Assignee: Aktiebolaget Electrolux
    Inventor: Ann C. Stalin