Patents by Inventor Alexander D'Angelo

Alexander D'Angelo 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: 4119255
    Abstract: Apparatus for automatically dispensing material from a roll comprising a base and a cover pivotally mounted thereon, a roller for rotatably supporting a roll of material, and material engaging roller for automatically dispensing the material from the roll for at least two preselected time intervals under the control of an adjustable resistor-capacitor timing control circuit.
    Type: Grant
    Filed: April 7, 1977
    Date of Patent: October 10, 1978
    Inventor: Alexander D'Angelo