Patents by Inventor Melvin D. Pullen

Melvin D. Pullen 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).

  • Control of aquatic vegetation with surfactant and terpene oil
    Patent number: 5753593
    Abstract: An environmentally compatible aquatic herbicidal composition comprising at least one surfactant and at least one high terepene containing natural oil to effectively control target aquatic vegetation including Red Azolla, Salvinia Molesta and Lemna.
    Type: Grant
    Filed: December 20, 1995
    Date of Patent: May 19, 1998
    Inventors: Erroll M. Pullen, Melvin D. Pullen