Patents by Inventor Carl R. Sandahl

Carl R. Sandahl 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 fiber connector
    Patent number: 4123139
    Abstract: An optical fiber connector includes a male connector portion having at least three cylindrical inner rods held in tangential contact with each other. The inner rods form an opening which contains and accurately positions an optical fiber within the male connector portion. A female connector portion has at least three cylindrical outer rods arranged to form a nest to accommodate the inner rods. Nesting of the inner rods within the outer rods positions the fiber, with a high degree of accuracy, within the female connector portion.
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: October 31, 1978
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventor: Carl R. Sandahl