Patents by Inventor Karsten Kettlitz

Karsten Kettlitz 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).

  • Optical device for an individual
    Patent number: 4603944
    Abstract: An optical device for mounting either a mirror or magnifying lens at a predetermined position in front of a wearer's eye which permits the mirror or lens to be adjusted to variable operative positions, the device includes alternative connectors for permitting it to be mounted on the wearer's eyeglass frame or on the rim of a safety helmet.
    Type: Grant
    Filed: August 27, 1984
    Date of Patent: August 5, 1986
    Assignees: Karsten Kettlitz, Gary Schlueter
    Inventors: John W. Greenlaw, Gary R. Schlueter, Karsten Kettlitz
  • Rear view mirror for attachment to a crash helmet
    Patent number: D284462
    Type: Grant
    Filed: August 27, 1984
    Date of Patent: July 1, 1986
    Assignee: John W. Greenlaw
    Inventors: John W. Greenlaw, Karsten Kettlitz, Gary Schlueter
  • Articulated rear view mirror for attachment to eye glasses
    Patent number: D286395
    Type: Grant
    Filed: August 27, 1984
    Date of Patent: October 28, 1986
    Inventors: John W. Greenlaw, Karsten Kettlitz, Gary R. Schlueter