Patents by Inventor Donald R. Rudolph

Donald R. Rudolph 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: 6105194
    Abstract: A cleaning implement such as a mop or broom having an elongated tubular handle with several independently rotatable portions for minimizing the strain on a user's wrist or forearm. The handle may be interchangeably connected to either a mop or broom head using a quick type connector at a distal end thereof. The connector relates to a pair of diametrically opposing pins which are slidably received within L-shaped slots on a body portion protruding from the mop and broom heads. Alternatively, the handle may be secured to a cylindrical adaptor likewise having a pair of L-shaped slots thereon. The adaptor has an externally threaded portion at a distal end for threadedly engaging internally threaded bores on certain conventional mop and broom heads.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: August 22, 2000
    Inventor: Donald R. Rudolph