Patents by Inventor Daniel H. Doerr

Daniel H. Doerr 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).

  • Cleated corrugated paperboard container
    Patent number: 5462218
    Abstract: A cleated corrugated paperboard container is disclosed having a blank of corrugated paperboard scored to define panels for folding to define a container that wraps around a cast iron bathtub having a well with a rim surface and an apron extending along the side of the well from an edge of the rim. Cleats rigidly attach to the side edges of the panels to define a load bearing frame at the ends of the container.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: October 31, 1995
    Inventors: John M. Grigsby, Daniel H. Doerr