Patents by Inventor James L. DiNicola

James L. DiNicola 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).

  • Hollow-core plastic structural lumber alternative
    Patent number: 5783286
    Abstract: A structural lumber alternative made of thermoplastic material has a generally hollow cross section, with a thick outer shell enclosing a central opening and at least one internal web disposed in the central opening and joining the outer shell. The internal web is a non-extruded unitary web of the same material forming the outer shell and is formed into position from the outer shell after the extruded outer shell leaves the extrusion device.
    Type: Grant
    Filed: April 4, 1996
    Date of Patent: July 21, 1998
    Inventor: James L. DiNicola