Patents by Inventor Nathan W. Kember

Nathan W. Kember 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
    Patent number: 8905673
    Abstract: A manhole cover adapter system comprises an adapter assembly having a central passage and a wing structure which enables the system is to be embedded between pavement layers during installation. The manhole cover adapter further comprises an expansion joint assembly and, if required, an angular adjustment assembly for allowing uses in various construction scenarios upon various types of manholes.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: December 9, 2014
    Inventor: Nathan W. Kember