Patents by Inventor Steven F Shumlansky

Steven F Shumlansky 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).

  • Manhole cover cap
    Publication number: 20020176743
    Abstract: A manhole cover cap, for an access cover of an opening into an underground utility structure, can be used to raise the level of an access, or manhole, cover, and to prevent water inflow. The cover cap includes upper and lower opposed surfaces and an outer edge having dimensions substantially conforming to dimensions of the opening, adapted for attachment to the access cover, and comprises a rubber material.
    Type: Application
    Filed: May 22, 2001
    Publication date: November 28, 2002
    Inventors: Steven F Shumlansky, David H. Abbott