Patents by Inventor Genaro A. Castro

Genaro A. Castro 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).

  • Device for dispensing measured quantities of material
    Patent number: 4109835
    Abstract: A dispenser is disclosed for storing and rapidly dispensing measured quantites of powdered or granulated material. The dispenser has a nonmoving measuring chamber having top and bottom sides which are alternately opened and closed upon activation of the dispenser to fill the measuring chamber from a storage chamber and then discharge the measured quantity of material in the measuring chamber into a receiving receptacle.
    Type: Grant
    Filed: August 12, 1976
    Date of Patent: August 29, 1978
    Inventor: Genaro A. Castro