Patents by Inventor Dennis M. Smarra

Dennis M. Smarra 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: 5418998
    Abstract: A windshield wiper scraping device is disclosed with multiple scraping or working surfaces for cleaning ice or other material from the windshield of a vehicle. In the preferred embodiment the scraping device has a composite body comprising two polygonally shaped plate bodies that have planar top and bottom surfaces with a side wall forming the perimeter of the body and joining the top and bottom surfaces. Working edges are formed at the juncture of the side wall with both the told and bottom surfaces. The body is preferably formed of a first plate-like body of rubber and a second plate-like body of plastic. The two bodies are releasably held together by co-operating elements of threaded means. The plastic material is preferably a form of the "LEXAN" material so that it forms a hard semi-rigid working edges on the top while the rubber material is formed of a rubber with the hardness in the range of 70-90 durometers.
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: May 30, 1995
    Inventor: Dennis M. Smarra