Patents by Inventor David Ryan Porter

David Ryan Porter 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).

  • Rolled material transfer cart
    Patent number: 8801005
    Abstract: A paper roll cart for storing, holding for usage, and transporting a variably-sized roll of paper includes a wheeled base, a paper roll support that is rotationally mounted to the wheeled base, a paper roll securing mechanism coupled to the wheeled base for releasably anchoring the paper roll to the cart, and a cart movement control system attached to the wheeled base for assisting in the movement of the paper cart from one location to another location.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: August 12, 2014
    Assignee: DST Output West, LLC
    Inventors: Brett Jay Flickner, David Ryan Porter