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In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
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| Number | Title | Issue Date |
| 7036604 | Structure for converting an integral implement to a drawn type A forward acting wheel arm for a drawn hitch includes a pivot point directly below the rear rank of the machine frame, and the wheels are rotated directly in front of the front rank during field operation. For transport, the wheels rotate below the front rank to min... | 05/02/2006 |
| 5398768 | Aerator An aerator includes a frame supported on a pair of forward drive wheels and a pair of rearward caster wheels. An aerator head is mounted on a pivot frame on the forward end of the aerator frame, pivotable to move the aerator head from a disengaged positio... | 03/21/1995 |
| 4744582 | Implement hitch linkage for front mount mowers A hitch linkage for hitching an implement to a front mount riding mower including a plurality of hitch arms detachably mounted to the lift arms of the riding mower. A cross-link is pivotally mounted between the hitch arms. The support struts of a support ... | 05/17/1988 |
| 4621487 | Haying machines for facilitating transport thereof In a haying machine, a chassis, a plurality of rotors mounted side-by-side on the chassis for displacing plants on the ground, a shaft pivoted to the chassis for coupling the chassis to a pulling vehicle, a retractable support, wheels mounted on said supp... | 11/11/1986 |
| 4479549 | Ground working implement A ground working implement is disclosed which comprises three rectangular frames connected together by means of hinges. A center frame is provided with a tongue for attachment to a traction device such as a tractor. Each of the frames is provided with a p... | 10/30/1984 |
| 4371039 | Tool bar control for agricultural implement A tool bar control mechanism for an agricultural implement or the like having a frame, a pair of generally transverse tool bars mounted on the frame for rotation about their longitudinal axes and carrying ground working tools such as spring teeth for move... | 02/01/1983 |
| 4269273 | Land surfacing apparatus Land surfacing apparatus, comprising an elongate blade and a towing structure which includes a tow connection portion forward of the blade and which is connected to the blade so that the blade can be towed with its longitudinal dimension transverse to the... | 05/26/1981 |
| 4131162 | Earth working apparatus An earth working apparatus comprising a main frame having a hitch for detachably connecting the apparatus to a prime mover, a first ground working implement mounted on the main frame, a pair of support arms operatively connected at forwardly disposed ends... | 12/26/1978 |
