Patents by Inventor Georg Michael Diehl

Georg Michael Diehl 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).

  • Apparatus for preparing of a ground surface of an arena
    Patent number: 5957215
    Abstract: The invention relates to a device for reconditioning the ground area of an arena in a riding hall or in an open riding course, which the device comprises a chassis which spans the breath of the ground area and can be moved lengthwise backwards and forwards. The chassis comprises vertically adjustable tools for preparing and leveling the ground area while the chassis is moving, with a device for dampening the ground area from a low level.
    Type: Grant
    Filed: June 24, 1997
    Date of Patent: September 28, 1999
    Inventor: Georg Michael Diehl