Patents by Inventor Glendell Roberts

Glendell Roberts 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).

  • Multi-purpose garden tool
    Patent number: 4090457
    Abstract: A garden tool which serves as an ordinary hand operated plow but can be converted to a seed planter and fertilizer or to a wheelbarrow. The seed planter attachment has a plow point for opening a furrow, a seed and fertilizer dispenser and a device for covering the furrow. The moving parts of the planter are driven by a drag wheel and belt arrangement which also serves to pack down the loose dirt over the planted seeds.
    Type: Grant
    Filed: June 6, 1977
    Date of Patent: May 23, 1978
    Inventor: Glendell Roberts