Patents by Inventor Harry Blau

Harry Blau 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).

  • Collar stay system
    Patent number: 4118803
    Abstract: Improved collar stay system, including a collar stay which engages with the tip of the collar at one end and a hinge member provided on a collar of a shirt. The hinge member is arranged and configured to engage with and hold the other end of the collar stay whereby a collar of new appearance is presented.
    Type: Grant
    Filed: September 12, 1977
    Date of Patent: October 10, 1978
    Inventor: Harry Blau
  • Music teaching machine
    Patent number: 4108042
    Abstract: A music teaching machine comprising a rotatable disc sandwiched between two panels. Each of the panels is provided with a cut out through which information provided on both sides of the disc is displayed, information and instructions and finger rests. The bottom of the panel is provided with a strip extension and metal pointer used to point out notes on a piano keyboard provided on panels.
    Type: Grant
    Filed: June 6, 1977
    Date of Patent: August 22, 1978
    Inventor: Harry Blau