Patents by Inventor George Charles Ballas, Sr.

George Charles Ballas, Sr. 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).

  • Rotary cutting assembly
    Patent number: 4114269
    Abstract: Apparatus for cutting, trimming, and edging vegetation, and the like, is provided with a rotatable disc-like head having at least one string-like cutting member removably attached thereto and replaceably extending from its periphery for cutting adjacent vegetation and the like. A unitary metallic bearing element for enhancing the cutting life of the cutting string is provided, as well as a keyway system for attaching a spool of cord or line to said head for rotation therewith.
    Type: Grant
    Filed: December 3, 1976
    Date of Patent: September 19, 1978
    Assignee: Weed Eater, Inc.
    Inventor: George Charles Ballas, Sr.
  • Rotary cutting assembly
    Patent number: 4052789
    Abstract: Apparatus for cutting, trimming, and edging vegetation, and the like, is provided with a rotatable disc-like head having at least one string-like cutting member removably attached thereto and replaceably extending from its periphery for cutting adjacent vegetation and the like. A pair of knife members for cutting the string are provided, as well as drive means for increasing cutting efficiency.
    Type: Grant
    Filed: December 3, 1976
    Date of Patent: October 11, 1977
    Assignee: Weed Eater, Inc.
    Inventor: George Charles Ballas, Sr.