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 |
| 7077215 | Trap rake steering travel limiter A sand trap rake having a frame, a pair of rear wheels supporting the frame, a single front wheel supporting the frame, and a steering system operably interconnecting the steering wheel to the single front wheel. A grading device is coupled to the frame and is raise... | 07/18/2006 |
| 5409068 | Dual penetration combination sweep with ripper An agricultural plow implement includes a number of upright supports, with each support supporting a shallow tillage V-shaped sweep blade. A mounting plate is attached to the rear of each upright support and a specially adapted ripper shank, with an attac... | 04/25/1995 |
| 4909335 | Deep tillage shank system An agricultural earth working system including a vertically adjustable deep tillage tool in tandem with a V-shaped sweep blade tool, the system being mounted on a field traversable frame and adapted to be drawn through the field by a conventional farming ... | 03/20/1990 |
| 4856597 | Soil working machine A soil preparation machine is pulled by a tractor across a field in which rows of plants and tracks followed by the tractor are at permanent locations from season to season. Soil from between the remains of two rows of the previous season's plants is lift... | 08/15/1989 |
| 4817727 | Subtiller Combination sweep and subtiller having a plurality of leg shanks extending downward from the sweep. Each shank is angled in the direction of travel to push soil toward the center of the sweep, and simultaneously to provide minimal draft. In addition there... | 04/04/1989 |
| 4726428 | Agricultural tillage unit A minimum upper ground layer and stubble disturbance tillage unit is provided including a pair of dependingly support opposite side plates between whose lower end a horizontally elongated blade assembly is supported with the blade assembly including front... | 02/23/1988 |
| 4490911 | Shoe deweeder A weed cutting device having a double edged, rectangular, shaped blade that is attached to and in front of a toe boot that fits over a user's shoe.... | 01/01/1985 |
| 4152991 | Ripping apparatus A ripping apparatus includes a housing having a bearing assembly therein which is connected to a support member of a vehicle, a ripper mechanism having a shaft member pivotally mounted in the bearing assembly, a lever arm connected to the shaft member, a ... | 05/08/1979 |
| 4021942 | Snow handling and conditioning apparatus Apparatus for towing behind a tow vehicle to handle and condition snow on ski slopes, including a ripper assembly having teeth for ripping the surface of the snow, a scraper assembly for scraping the surface of the snow and to redeposit quantities of accu... | 05/10/1977 |
| 4015666 | Sod undercutting knife An undercutting knife for a sod cutting machine. The knife has an undercutting blade having a front portion and an upwardly bent rear portion. Connected to the rear portion are two support and guide members, one at each edge of the blade. Each support and... | 04/05/1977 |
| 3977477 | Combination garden implement apparatus An improved garden implement that is a combination soil working and cartage implement which is comprised of a wheeled, hand powered cultivator with subsoiler capable of receiving a cartage bed for selective use as a wheelbarrow type implement. The impleme... | 08/31/1976 |
