Patents by Inventor Richard E. Robinson

Richard E. Robinson 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).

  • Mop assembly
    Patent number: 5435852
    Abstract: An improved mop assembly is shown having a pair of mop holders which grip a mop fabric. The mop holders can be rotated about the axis of the mop handle so that the previously exposed contact surfaces of the mop fabric are reversed with the inner mop surfaces, thereby presenting unsoiled mop fabric for continued mopping.
    Type: Grant
    Filed: September 7, 1994
    Date of Patent: July 25, 1995
    Inventor: Richard E. Robinson