Patents by Inventor Ralph S. Colombo

Ralph S. Colombo 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: 5528328
    Abstract: A camera filter quick release adapter has mobile thread grips in a lower unthreaded guide rim section of a ring fitting the female threads of a camera lens collar. The thread grips are operated to move inward and outward by release tabs above them in an upper section of the same ring. The two parts are attached by a backing and a circular bias spring holds them protruded outward through openings for each in the ring sections. The lower section does not have threads and slips inside the camera lens collar acting as a guide rim. For installing the adapter of this invention in the camera lens collar, the release tabs are manually depressed pushing the thread grips back from connecting with the camera lens collar threads until the lower section of the adapter seats in the base of the lens collar. The tabs are than released, the circular bias spring pushes the thread grips into the threads of the camera lens collar securing the adapter of this invention to the front of the camera lens.
    Type: Grant
    Filed: February 21, 1995
    Date of Patent: June 18, 1996
    Inventors: Dave O'Farrill, Ralph S. Colombo
  • Patent number: 5458306
    Abstract: A flat base pivotally attaches to the lower end of a mono or uni pod forming a foot to provide stabilization for a still or a video camera mounted on the upper end of the pod. One end of the foot is a flat platform on which a photographer can place the toe end of his/her own foot to further stabilize a camera during picture taking.
    Type: Grant
    Filed: May 9, 1994
    Date of Patent: October 17, 1995
    Inventors: Dave O'Farrill, Ralph S. Colombo
  • Patent number: D349716
    Type: Grant
    Filed: October 5, 1992
    Date of Patent: August 16, 1994
    Inventors: Dave O'Farrill, Ralph S. Colombo