Patents by Inventor John A. Scism

John A. Scism 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: 7866880
    Abstract: A hopper for measuring a predetermined amount of aggregate. The hopper has a body having an open top and plurality of walls, at least one guide extending between at least two of the plurality of walls, and an indicator to provide indication that the hopper contains a first and a second predetermined volume of aggregate.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: January 11, 2011
    Inventor: John A. Scism