Patents by Inventor Leonard Stark

Leonard Stark 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).

  • Use of 25-hydroxycholecalciferol in a dietary supplement process for ameliorating the effects of tibial dyschondroplasia in poultry while maintaining weight gain
    Patent number: 5695794
    Abstract: A process for ameliorating the effects of tibial dyschondroplasia while maintaining weight gain in poultry is disclosed as are a supplemented poultry feed and a feed supplement concentrate. The process contemplates feeding the bird with a poultry feed that contains 35 to 350 micrograms of 25-hydroxycholecalciferol per kilogram of feed. The supplement feed is used in the above process, whereas a feed supplement concentrate comprises a comestible diluent containing about 0.05 to about 100 mg of 25-hydroxycholecalciferol per gram of concentrate.
    Type: Grant
    Filed: August 10, 1995
    Date of Patent: December 9, 1997
    Assignee: Amoco Corporation
    Inventors: Leonard Stark, James G. Yarger, Samuel Perry