Patents by Inventor Robert L. Wolff

Robert L. Wolff 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).

  • Method of and apparatus for spraying foliar composition
    Patent number: 4583319
    Abstract: A method and apparatus for foliar spraying liquid composition such as pesticide, aqueous fertilizer solution, and/or herbicide, onto foliage of vegetation. In a preferred embodiment, while spraying a spray stream of liquid composition at 10 to 75 pounds per square inch pressure from an orifice having a cross-sectional area of from about 0.0000948 to about 0.
    Type: Grant
    Filed: June 27, 1985
    Date of Patent: April 22, 1986
    Assignee: Arcadian Corporation
    Inventors: Robert L. Wolff, Dennis G. Watson, John G. Clapp, Jr.