Patents by Inventor Douglas O. Bottamiller

Douglas O. Bottamiller 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).

  • Cutting head for lawn trimmer
    Patent number: 4644655
    Abstract: A cutting head for a lawn trimmer is provided and consists of a cylindrical housing block bolted to a lower portion of the lawn trimmer so that the housing block is rotatably mounted thereto. A flexible cord with a knot at center of the cord is placed within an opening of the housing block with ends of the cord extending outwardly through each of a pair of opposed holes at side of the housing block. When the lawn trimmer is turned on the knot will retain the cord within the block. In another form a sleeve is mounted securely on the cord to retain the cord in the block.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: February 24, 1987
    Inventors: Douglas O. Bottamiller, George Spector