Patents by Inventor Lars E. Sellegaard

Lars E. Sellegaard 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).

  • Method for preserving flowers, particularly roses
    Patent number: 5399392
    Abstract: Method for preserving natural flowers, in which the lower end of the stem of the flower is immersed into a water/glycerol solution of a dry composition comprising mineral salts, citric acid and dyes, characterized in that the flower to be treated is severed from the upper end of its stem so that the remaining section of said stem still connected to the flower is shorter than 5 cm and preferably of about 1 cm so that the path of said solution towards the flower be as short as possible.
    Type: Grant
    Filed: January 26, 1994
    Date of Patent: March 21, 1995
    Inventor: Lars E. Sellegaard