Patents by Inventor Jerome L. Begnaud

Jerome L. Begnaud 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: 4862975
    Abstract: There is disclosed, for use as a drilling fluid additive, a mass of small particles of the shells of curstaceous animals selected from a class consisting of crab and crayfish.
    Type: Grant
    Filed: August 24, 1987
    Date of Patent: September 5, 1989
    Inventors: Bonnie B. Maillet, Jerome L. Begnaud