Patents by Inventor Leopold Bonicalzi

Leopold Bonicalzi 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).

  • Insulated wall unit construction
    Patent number: 4517780
    Abstract: A structural log-like member for use in constructing walls, having an outer wooden wall and an inner wooden wall. Wooden spacer members connect the inner and outer walls together in spaced-apart parallel fashion. The spaces between the walls and spacer members can be filled with an insulation material. In use, the structural members can be stacked one on top of the other to form a wall.
    Type: Grant
    Filed: March 8, 1983
    Date of Patent: May 21, 1985
    Inventors: Gerard A. Lacombe, Leopold Bonicalzi