Patents by Inventor Arnold Hamann

Arnold Hamann 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).

  • Treatment chair with cool-light lamp for dental medicinal purposes
    Patent number: 4233649
    Abstract: The innovation relates to a treatment chair with cool-light lamp for dental-medicinal purposes, wherein the light is conducted between the point where the light emerges and the remotely arranged light source through a glass fiber bundle which is arranged in a partially flexible tubular guide.
    Type: Grant
    Filed: March 30, 1978
    Date of Patent: November 11, 1980
    Inventors: Peter Scheer, Arnold Hamann