Patents by Inventor Robert von Meyer

Robert von Meyer 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).

  • String mop with wringer
    Patent number: 5675858
    Abstract: A common string mop with an affixed wringer assembly which slides over the wet mop head to extract water. This is done by forcing a collar over a pleated sleeve which compresses the enclosed mop head.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: October 14, 1997
    Inventor: Robert von Meyer