Patents by Inventor John Boyajian

John Boyajian 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: 4817218
    Abstract: A device for use in connection with a hair rinsing procedure is disclosed herein having an inner and an outer shell nested together in conformal spaced apart relationship separated by movable water dispensing elements disposed in holes provided in the inner shell. Each element includes a tapered conical portion having several grooves for conducting water through each inner shell hole into a common rinsing cavity. Each water dispensing element carries resilient legs bearing against the outer shell urging the tapered conical portion into each respective hole and is further provided with a stop adapted to engage with the outer shell when the element is depressed. A pressurized water source is detachable coupled to the outer shell for introducing water into a channel between opposing surfaces of the inner and outer shells while the inner and outer shells include coaxially disposed drainage apertures for conducting waste rinse water into a basin.
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: April 4, 1989
    Inventors: Paul Dimitriu, John Boyajian, Isaac Fils, George Sanchez