Patents by Inventor David M. Lonsdale

David M. Lonsdale 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: 5545546
    Abstract: The present invention is related to isolated Purified DNA sequences isolated from maize which can act as Pollen-specific promoters and which play a role in the expression of genes in pollen. The present invention also relates to a method for conferring Pollen-specificity on genes not normally expressed in pollen.
    Type: Grant
    Filed: January 24, 1995
    Date of Patent: August 13, 1996
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Rebecca L. Allen, David M. Lonsdale
  • Patent number: 5412085
    Abstract: The present invention is related to isolated purified DNA sequences isolated from maize which can act as pollen-specific promoters and which play a role in the expression of genes in pollen. The present invention also relates to a method for conferring pollen-specificity on genes not normally expressed in pollen.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: May 2, 1995
    Assignee: Pioneer Hi-Bred International Inc.
    Inventors: Rebecca L. Allen, David M. Lonsdale