Patents by Inventor Leigh Bangs

Leigh Bangs 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).

  • Pretreatment of microprojectiles prior to using in a particle gun
    Patent number: 5879918
    Abstract: An improvement in the process of transporting biological materials into living cells by bombarding the cells with microprojectile particles coated with biological material. In the improved process prior to coating of the particles such as tungsten beads for example, with biological material such as DNA, the particles are first pretreated with a strong inorganic acid such as nitric acid.
    Type: Grant
    Filed: November 24, 1993
    Date of Patent: March 9, 1999
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Dwight Tomes, Margit Ross, Leigh Bangs