Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7261048 | Parallel link trailing arm for seeders A furrow opener apparatus includes a parallel link trailing arm having a rear link that is maintained substantially horizontal as the arm moves up and down. Front and rear furrow openers are attached to the rear link. A packer wheel arm is attached to the rear link ... | 08/28/2007 |
| 7044070 | Seed drill with walking beam assembly A no-till drill with a novel walking beam assembly that allows the drill to be pulled over severe terrain conditions that include large rocks, fallen limbs and other large obstructions. The inventive walking beam assembly includes two independent pivot points that a... | 05/16/2006 |
| 6915863 | Planter bar support wheel assembly An agricultural apparatus comprising a carrier frame including a support surface defining an arcuate track about a pivot point, a mainframe mounted to the carrier frame at the pivot point for rotation thereabout between an operating position and a transportation pos... | 07/12/2005 |
| 6691629 | Planter coulter apparatus with hydraulic overload protection An overload protection apparatus for use with a planter apparatus including a coulter bar and coulter/fertilizer units mounted thereto, the coulter bar pivotally mounted to the underside of a wheel supported carrier frame designed for transport in a trans... | 02/17/2004 |
| 5809914 | Agricultural implement with pivoting carrier frame An agricultural implement includes a forward implement frame and an aft carrier frame with wheels, with the two frames pivotally connected. The implement frame includes a hitch mechanism for attaching the implement to a traction vehicle, while a toolbar h... | 09/22/1998 |
| 4660651 | Highly flexible, foldable drill for uniform depth seed deposit In a drill, there is provided the combination of a pair of foldable pivot frames to each of which is attached a wheeled wing frame for up and down swinging movement, together with a tongue assembly for effecting the folding action, as well as a subframe f... | 04/28/1987 |
| 4572087 | Fertilizer injection apparatus A fertilizer injection apparatus having hollow, ground-piercing knives connected by tubes to a hopper with a fertilizer delivery system. A tool bar is connected to the hopper by rigid links pivoted to the tool bar at one end about the single axle of the h... | 02/25/1986 |
| 4338872 | Multiple section grain drill A multiple section grain drill has a main frame with a transverse segment; a grain container mounted on the frame for receiving grain; an auger mounted on the main frame and in communication with the grain in the container for bidirectionally moving the g... | 07/13/1982 |
