Patents by Inventor Robert H. Oberlies

Robert H. Oberlies 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).

  • Miniature underwater bore hole inspection apparatus
    Patent number: 3974330
    Abstract: A miniature submergible inspection device is provided for the visual inspection and survey of the strata of dry or water-filled bore holes providing data for video display or recording at the earth's surface and controllable therefrom. Adapted for reversing azimuth scan of the bore hole surface, the raster scan generates a display presented to the operator that does not rotate with the scanning of the surface and that is always upright.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: August 10, 1976
    Assignee: Sperry Rand Corporation
    Inventors: Burton J. Askowith, Merphis C. Ellis, Robert H. Oberlies, Frank A. Peterson, Parmanand Prasad