Patents by Inventor M. David Richards

M. David Richards 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: 4277842
    Abstract: A cover for a wrist watch to protect the watch, watch crystal, and wrist band thereof. The watch cover comprises an elongated flexible strap member having a central opening therein, and a housing affixed to the strap member adjacent the opening. An opening in the housing is contiguously aligned with the strap opening to receive a secondary crystal therethrough, whereby the watch and watch crystal are positioned within the housing and secondary crystal, the elongated strap and housing having included thereon an ornamental sheath member defined by a decorative, soft, fabric-like material. An adjustable fastening device is mounted to the strap member so as to secure the protective watch cover around the entire wrist watch.
    Type: Grant
    Filed: November 23, 1979
    Date of Patent: July 7, 1981
    Inventor: M. David Richards
  • Patent number: 4249762
    Abstract: A wrist-exercising device that is held in the hand, or hands, of the user while he swings the device as one would a tennis racket, a golf club, or a baseball bat, wherein the device comprises an elongated shaft defined by a handle formed on the free end of the shaft, and including at the opposite end thereof an adjustable coupling member to which is mounted the exerciser arm, the arm being connected to the coupling member so as to be positioned in any predetermined angular degree relative to the handle thereof, wherein the radially extended arm is provided with an interchangeable weight member.The coupling member includes a body member having a locking-block member supported thereon, with a journal member rotatably mounted to the locking-block member. A threaded pin is secured to one end of the arm and passes through the journal, the locking block, and the body member, whereby the pin is provided with a knob to lock the arm in a suitable position.
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: February 10, 1981
    Inventor: M. David Richards
  • Patent number: D260866
    Type: Grant
    Filed: September 17, 1979
    Date of Patent: September 22, 1981
    Inventor: M. David Richards
  • Patent number: D260909
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: September 22, 1981
    Inventor: M. David Richards