Patents by Inventor Richard A. Creager

Richard A. Creager 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).

  • Mini-injector
    Patent number: 4164093
    Abstract: A modified locking-type wrench is combined with a disposable syringe and an injector barrel having a tapered tip to provide a mini-injector apparatus for injecting, under pressure, growth regulators and other solutions into the vascular systems of seedlings and branches of relatively small diameter woody plants.
    Type: Grant
    Filed: January 30, 1978
    Date of Patent: August 14, 1979
    Assignee: The United States of America, as represented by the Secretary of Agriculture
    Inventors: John P. Sterrett, Joseph P. Carroll, Richard A. Creager