Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8069927 | Rear-mounted work implement control system A control system for a rear-mounted work implement on a work machine operable from a forward-facing operator's station located on the work machine is disclosed. The control system includes a surface adjacent to the operator's station, the surface being fixed in a po... | 12/06/2011 |
| 7219452 | Trench wheel apparatus and method of use A trench wheel has a relatively thicker wheel center and gradually tapering side walls that produce a thinner wheel as distance from the hub increases. The wheel center is preferably fabricated from stamped metal into a hat or thimble shape, and has a skirt or brim ... | 05/22/2007 |
| 6971194 | Modular backhoe-excavator control station A modular excavator-backhoe control station is disclosed, the station having two control towers with joystick on their upper ends that are pivotally coupled adjacent a floor of an excavator or backhoe. They have one piece polymeric boots that cover them as well as s... | 12/06/2005 |
| 6942041 | Self-propelled agricultural vehicle constructed using a standard row-crop tractor as a base A self-propelled agricultural vehicle is constructed by assembling the parts of a standard row-crop tractor to the point where the next step is that of mounting the cab to the chassis. At this point, a cab adapter module is mounted to the chassis using the mounting ... | 09/13/2005 |
| 6935682 | Sinking seat for a vehicle The present invention is a sinking seat for a vehicle assembled with a rear leg and a grooved leg integrally coupled to enable convenient handling due to the unification of parts. The mounting of the sinking seat onto a vehicle body is simplified by a folded lower p... | 08/30/2005 |
| 6595526 | Animal drawn adjustable implement cart A two wheeled, height adjustable cart for pulling farm implements and maintaining a stable height for the cart relative to the field includes a pair of spaced wheels to which main frame members are connected and extend upwardly therefrom. A work platform ... | 07/22/2003 |
| 6182771 | Tractor A tractor has hydraulic cylinders arranged reawardly of a transmission case for swinging lift arms. A plurality of control valves for controlling the hydraulic cylinders are arranged on a lid plate of the transmission case. Oil lines are disposed in the l... | 02/06/2001 |
| 5901791 | Working vehicle A working vehicle includes an engine in the rear of a passenger seat, and a working machine vertically movably disposed in the rear of the engine, wherein an upper end of the working machine which is lifted to the highest position is set lower than an upp... | 05/11/1999 |
| 5072577 | Cutting height guage A device for indicating the height of a moveable platform with cutting bar of a harvesting machine above the terrain over which it passes in carrying out its function. The indicating device is mounted on a fixed operators cab or the frame of the harvester... | 12/17/1991 |
| 4630700 | Adjustable operator cab on a motor-drive truck A motor-driven truck of the type comprising a front lifting stand, first guide and journalling elements including a longitudinal stand stationary mounted on the chassis, second guide and journalling elements including a stand movable along the stationary ... | 12/23/1986 |
