Patents by Inventor Donald T. Lester

Donald T. Lester 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).

  • Elm tree called Regal
    Patent number: PP5335
    Abstract: An elm tree characterized by high resistance to the Dutch elm disease.
    Type: Grant
    Filed: March 7, 1983
    Date of Patent: November 13, 1984
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Eugene B. Smalley, Donald T. Lester
  • Elm tree named Independence
    Patent number: PP6227
    Abstract: An elm tree characterized by high resistance to Dutch Elm Disease.
    Type: Grant
    Filed: October 15, 1985
    Date of Patent: July 19, 1988
    Assignee: Elm Research Institute
    Inventors: Eugene B. Smalley, Donald T. Lester
  • Elm tree named "Cathedral"
    Patent number: PP8683
    Abstract: A new and distinct variety of elm tree which is characterized by its resistance to Dutch elm disease caused by Ophiostoma ulmi (Buisman) Nannf. Trees of this variety are also highly tolerant to Verticillium wilt disease, limited susceptibility to black leaf spot disease, and good resistance of traumatic injury from climatic elements.
    Type: Grant
    Filed: March 26, 1992
    Date of Patent: April 12, 1994
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Eugene Smalley, Donald T. Lester