Patents by Inventor Paul Marks

Paul Marks 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: 4219287
    Abstract: A roller attachment for fixed engagement to any of a variety of conventional vibrator compactors to convert same into a vibrator roller device, the roller attachment including a generally rectangular bottom frame portion defining a generally rectangular central opening in which a plurality of spaced apart parallel rollers are rotatably carried; a top frame portion, fixed to the bottom frame portion, is configurated to receive the operating plate portion, of a conventional vibrator compactor, which is aligned with and bolted to the top frame, and removable rubber tubular treads are provided for the rollers.
    Type: Grant
    Filed: May 2, 1979
    Date of Patent: August 26, 1980
    Inventor: Paul Marks