Patents by Inventor Jack W. Drafahl, Jr.

Jack W. Drafahl, Jr. 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: 4218122
    Abstract: Unitary light-handle structure attaches to underwater camera to serve as a properly directed strobe light source structure for the camera and as a handle structure by which the camera can be pointed and controlled. The handle contains the strobe light source, as well as its charging and firing electronics and its power supply batteries.
    Type: Grant
    Filed: July 30, 1979
    Date of Patent: August 19, 1980
    Inventor: Jack W. Drafahl, Jr.