Patents by Inventor Robert M. Berg

Robert M. Berg 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: 3979146
    Abstract: Beach cleaning apparatus that includes a generally U-shaped bracket that opens downwardly, a handle attached to the bracket to manually pull the bracket forwardly, an open mesh bag, fastener mechanism for releasably securing the adjacent parts of the mouth portion of the bag to the bracket, a knife blade extending between the legs of the bracket and a retainer bar secured to the bracket and knife blade for retaining the lower edge portion of the mouth of the bag therebetween. The mesh of the bag is of a size to permit passage of sand and small stones therethrough, but retain larger objects within the bag.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: September 7, 1976
    Inventor: Robert M. Berg