Patents by Inventor Daniel W. Grant

Daniel W. Grant 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).

  • Manipulator drive mechanism
    Patent number: 4864880
    Abstract: A manipulator drive mechanism employing splined shafts in both a vertical and a horizontal axes. The horizontal splined shaft is rotatably driven by a rack assembly and a pinion gear rotatably fixed with respect to the horizontal splined shaft and which is also slidable along the horizontal splined shaft.
    Type: Grant
    Filed: May 25, 1988
    Date of Patent: September 12, 1989
    Assignee: Nu-Tec Corporation
    Inventors: Daniel W. Grant, Walter Bell, Jr.