Patents by Inventor Donald E. Pruss

Donald E. Pruss 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).

  • Concrete wall monolithic building unit
    Patent number: 5598675
    Abstract: There is disclosed a monolithic unit having spaced apart panels for concrete walls in which the unit includes in one embodiment tie members having a chemically similar polymeric composition to that of the panels but differing in a physical form. The result is a fusibly connected integral unit.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: February 4, 1997
    Inventor: Donald E. Pruss