Patents by Inventor Dan Astrom

Dan Astrom 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).

  • Patent number: 6058659
    Abstract: An arrangement for a sanitary floor in bathrooms, laundries or the like where the floor comprises at least one fall inclined toward at least one floor drain. The upper layer of the floor comprises at least two separate, adjacent, rectangularly formed block elements. At least one of the block elements includes the floor drain. Each block element has a lower surface which is parallel with a bedding that supports the block elements. Each block element also has an upper surface which inclines or is inclined a predetermined angle towards the floor drain.
    Type: Grant
    Filed: October 8, 1998
    Date of Patent: May 9, 2000
    Inventor: Dan Astrom