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 |
| 7293399 | High pressure foliage remover A system for performing several functions in caring for crops such as vines grown in rows uses a high pressure water jet to selectively prune, thin shoots and remove leaves from growing crops. Water jet size, pressure, movement and position relative to the crops are... | 11/13/2007 |
| 7007449 | Onion harvester with leaf topper An orientation system for vegetables includes a plurality of rotating rollers that both pull the vegetable into an inverted position, with leafy top down, and advance the vegetable along the length of the rollers to deliver the vegetables to a cutting system. The or... | 03/07/2006 |
| 5363634 | Vegetable topper and method for topping tuber vegetables A vegetable topper for cutting the leafy tops off of tubers, such as onions, after they have been uprooted from the field. The topper is mounted on a wheeled moveable frame towed by a tractor, which uses a vacuum to lift the tops and snip them off. The po... | 11/15/1994 |
| 4757670 | Agricultural crop defoliator The leaves and stalks of plants have previously been topped using pick-up fingers for raising the leaves and stalks to an elevated more or less vertical position, and blades for cutting the thus elevated plant tops. The plant tops can be elevated more eff... | 07/19/1988 |
| 4550554 | Crop processor An auger cutter, windrower, and conditioner for standing crops such as hay, including a cutting auger with cutting teeth on the peripheral edge of the auger flight and a conveyor auger to move cut crop to a central area to be discharged as a double windro... | 11/05/1985 |
| 4236581 | Harvesting machine A harvesting machine for root row crops, such as onions, radishes, parsley, turnips, turnip greens, carrots, and the like wherein the individual plants have root bodies within the soil and tops above the ground. The harvesting machine has at least one har... | 12/02/1980 |
| 4141201 | Apparatus for cutting tops from plants Apparatus for removing the tops of plants, such as onions, prior to the harvesting of the plants is disclosed which includes a fixed or main frame secured to a tractor and a floating frame secured to the fixed frame and movable with respect thereto. The f... | 02/27/1979 |
