Patents by Inventor Sydney C. Dittman

Sydney C. Dittman 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).

  • Aid for grasping round knobs
    Patent number: 5231733
    Abstract: Apparatus for grasping circular knobs which may be attached to drawers or doors of cabinets or the like including a generally dome-shaped grasping element having a handle attached thereto and extending outwardly therefrom. The internal surface of the generally dome-shaped element includes a series of internal shoulders of various diameters for the purpose of grasping knobs of various sizes so that the handicapped person may more easily manipulate the drawer or door to which the knob is attached.
    Type: Grant
    Filed: April 14, 1992
    Date of Patent: August 3, 1993
    Inventor: Sydney C. Dittman
  • Tool for grasping round knobs
    Patent number: D344662
    Type: Grant
    Filed: April 14, 1992
    Date of Patent: March 1, 1994
    Inventor: Sydney C. Dittman