Patents by Inventor Kenneth E. Bein

Kenneth E. Bein 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: 4110937
    Abstract: Apparatus for holding gem stones during machining, grinding and the like employing a chucking device utilizing a combination of vacuum and adhesive means to provide a firm holding means for the gem.
    Type: Grant
    Filed: July 25, 1977
    Date of Patent: September 5, 1978
    Inventor: Kenneth E. Bein
  • Patent number: 4107883
    Abstract: Apparatus for controlling infeed speed of a power screw feed system or the like for cutting and abrading materials in response to resistance sensed by the feed mechanism moving the material into contact with the machine tool.
    Type: Grant
    Filed: July 13, 1977
    Date of Patent: August 22, 1978
    Inventor: Kenneth E. Bein