Patents by Inventor Barry G. Donaldson

Barry G. Donaldson 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).

  • Watertight fastener
    Patent number: 4947608
    Abstract: A watertight fastener for mounting a peripherally grooved prefabricated bathtub surround panel on a wall. The fastener includes a rigid support and a resilient seal. The support has a mounting portion adapted to be secured to the wall, and a surround-receiving portion adapted to enter the peripheral groove of the surround panel and defining adjacent the free end thereof an aperture extending at least partially therethrough. The seal has an elongate body portion and a sealing portion. The body portion is adopted to enter the peripheral groove of the surround panel with the surround-receiving portion, has a serrated front surface, and defines a transversely-extending plug resiliently retained by the aperture. The sealing portion is adapted to extend intermediate the surround and an adjacent surface to form a watertight seal therebetween.
    Type: Grant
    Filed: August 17, 1989
    Date of Patent: August 14, 1990
    Assignee: Tishman Research Corporation
    Inventors: Barry G. Donaldson, Joseph H. Newman
  • Watertight fastener
    Patent number: 4893450
    Abstract: A watertight fastener for mounting a peripherally grooved prefabricated bathtub surround panel on a wall. The fastener includes a rigid support and a resilient seal. The support has a mounting portion adapted to be secured to the wall, and a surround-receiving portion adapted to enter the peripheral groove of the surround panel and defining adjacent the free end thereof an aperture extending at least partially therethrough. The seal has an elongate body portion and a sealing portion. The body portion is adopted to enter the peripheral groove of the surround panel with the surround-receiving portion, has a serrated front surface, and defines a transversely-extending plug resiliently retained by the aperture. The sealing portion is adapted to extend intermediate the surround and an adjacent surface to form a watertight seal therebetween.
    Type: Grant
    Filed: February 23, 1988
    Date of Patent: January 16, 1990
    Assignee: Tishman Research Corporation
    Inventors: Barry G. Donaldson, Joseph H. Newman