Patents by Inventor David I. Dunstan

David I. Dunstan 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: 5737872
    Abstract: The invention disclosed is a synthetic seed and a method for the manufacture thereof. The seed comprises a plant propagule which is capable of producing an entire plant, encapsulated in a material including an inert filler, a binder and water. The synthetic seed has a prescribed selected water-activity to maintain viability until exposed to germination permissive conditions, and is of sufficient mechanical strength/hardness for use with mechanical seeding devices.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: April 14, 1998
    Assignee: National Research Council of Canada
    Inventors: James E. Cunningham, Danielle Julie Carrier, David I. Dunstan
  • Patent number: 4361984
    Abstract: A process for the micropropagation of plant material. The process comprises excising a shoot tip having a length in the range 0.6 to 3 millimeters from a bud of the plant. The excised tip is placed in a first nutrient medium containing benzyl adenine to induce shoot elongation and the elongated shoot decapitated. The decapitated shoot is placed in a nutrient medium to stimulate lateral shoot induction and elongation. Shoots one centimeter or more are excised and the excised shoots are implanted in a rooting nutrient medium for root production.
    Type: Grant
    Filed: August 6, 1981
    Date of Patent: December 7, 1982
    Assignee: Kelowna Nurseries Ltd.
    Inventors: David I. Dunstan, Keith E. Turner, David W. Lane