Patents by Inventor Ruth E. Cole

Ruth E. Cole 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).

  • Patent number: 4729493
    Abstract: A powered seed dispenser for uniformly distributing seeds along the ground which includes a handle carrying a powered driven motor and a pivotally mounted seed distributor which is engaged and driven by the powered driven motor, the seed distributor being constructed of a pair of opposed discs, each disc having a pair of inner and outer sidewalls extending transversely therefrom toward its opposing disc, such discs being constructed and arranged to connect together telescopically in such manner as to create an inner metering chamber and an outer dispensing chamber wherein seeds contained inside the metering chamber discharge through openings in the inner sidewalls from the top portion of the volume of seeds, such seeds then falling into the dispensing chamber defined by the outer sidewalls where they are directed and discharged uniformly through dispensing apertures in the outer sidewalls at a point adjacent to the lowermost point of travel of the dispensing apertures.
    Type: Grant
    Filed: February 25, 1987
    Date of Patent: March 8, 1988
    Inventors: John M. Cole, Ruth E. Cole
  • Patent number: 4089441
    Abstract: A portable manually operated domestic-type duster having openings admitting air from behind into the side of its discharge flow adjacent the blower discharge and behind the discharge of the powder chamber to produce Venturi-type mixing action, and also having cooperative metering means in the form of a screen and a cylindrically-shaped wire agitator disposed across the discharge opening of the powder chamber, both the metering means and the blower being driven by single crank mechanism.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: May 16, 1978
    Inventors: John M. Cole, Ruth E. Cole