Patents by Inventor Lloyd Erwin Bettger

Lloyd Erwin Bettger 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).

  • Building unit
    Patent number: 4023317
    Abstract: A building unit. The unit comprises a panel with a flange extending substantially normally from each of at least two opposing sides. Attachment means are formed in the flanges so that one panel can be attached to a panel formed with similar flanges to construct a strong, easily erected building that can be of large area and easily insulated.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: May 17, 1977
    Inventors: Lloyd Erwin Bettger, Charles Albert Jensen