The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 4951451 | Apparatus and method for harvesting crops by stripping The apparatus for harvesting crops, particularly seed crops, comprises a mobile support structure (20) and a crop stripping device in the form of a rotor (30), which may be attached to height adjustable arms and is driven by drive means (22). The rotor (3... | 08/28/1990 |
| 4622805 | Auger lift mechanism for crop harvesting header A header frame for a combine harvester having a linkage connection between the crop reel and the auger, whereby the auger may be automatically and mechanically raised from the header floor by raising the reel for purposes of unplugging wedged crop materia... | 11/18/1986 |
| 4445314 | Sunflower header attachment An apparatus for increasing the efficiency of sunflower harvesting by combine consists of a sunflower header attachment secured over a reciprocating sickle bar assembly at the front end of the combine. A plurality of spaced apart pans are secured over the... | 05/01/1984 |
| 4368609 | Height adjustment and safety stop for a harvester reel In a combine harvester header, a modified hydraulic cylinder for controlling reel height includes a cylinder rod sub-assembly having a threaded portion permitting rotation of the cylinder rod to make adjustment of the cylinder rod effective length for fin... | 01/18/1983 |