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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7168376 | Seed boot for a seeding machine An integral cast seed boot is provided with a mounting assembly for securing the seed boot to a planting unit frame. A single furrow opener disc is rotatively mounted to the planting unit frame by a bearing assembly. The seed boot defines a seed entry passage having... | 01/30/2007 |
| 7131384 | Seed tube guard assembly for agricultural planters A seed tube guard assembly for agricultural planters has floating wear plates to improve the wear life of the seed tube guard. The assembly includes a support bracket having an upper end attached to a planter shank assembly and a lower end positioned between a pair ... | 11/07/2006 |
| 7077070 | High clearance fertilizer application system An application system for applying nitrogen to the soil. The system is a tool bar provided with a plurality of long arms, coupled to disks. Coupled behind the disks is a nitrogen dispensing system, coupled to a large fluid tank on a vehicle. By utilizing a high clea... | 07/18/2006 |
| 6718890 | Underwater seagrass seeding apparatus An underwater seeding apparatus which comprises a first longitudinal member, a second longitudinal member and a cross member. The first longitudinal member is positioned in a parallel relationship to the second longitudinal member and the cross member is attached to... | 04/13/2004 |
| 6644224 | Apparatus for preparing soil for the placement of seed and additive An apparatus for preparing soil for the placement therein of at least one of seed and fertilizer. A frame is provided with there being first structure on the frame for penetrating the soil to create an opening for at least one of seed and fertilizer as th... | 11/11/2003 |
| 5850790 | Seed tine assembly A seed tine assembly for mounting on a frame component of a seed drilling implement and comprising a tine having an upper end mounted on the frame component, and a lower soil-engaging end; a seed share mounted on the tine at the lower end; a tine point mo... | 12/22/1998 |
| 5697308 | Seed boot having a wear resistant insert A seed boot for use with a furrow forming disk of a grain drill for depositing seed within a furrow. The seed boot includes a housing having an inner side, an outer side and a furrow firming edge. The furrow firming edge extends between a lower edge of th... | 12/16/1997 |
| 5417171 | No-till seeder and fertilizer A seed and fertilizer boot is mounted on a conventional cultivator shank. The boot has side-by-side fertilizer and seed tubes. One tube leads to a downwardly and rearwardly sloping delivery spout while the other delivery tube projects below the delivery s... | 05/23/1995 |
| 5224554 | Plant transplanter A transplanter is disclosed which provides uniform planting without damaging plants. The transplanter includes a mechanism for receiving plants and depositing them in a furrow formed by a unique furrow opening shoe having a polymer outer layer which does ... | 07/06/1993 |
| 4970973 | Row crop planting apparatus for mobile pipe span-and-tower irrigation systems A field planting system for use in conjunction with large span and wheel tower irrigation apparatus to place seed in a field across a number of rows simultaneously. Seed is suspended uniformly in a gel solution and injected into a stream of carrier water.... | 11/20/1990 |
| 4311104 | Press grain drill A press grain drill includes a plurality of opener units mounted on an elongated tow tube and including a plurality of elongated, pivotably coupled elements forming a pair of parallelograms which support a self-penetrating shovel and a press wheel respect... | 01/19/1982 |
| 4214537 | Grain drill furrow opening assembly A seed drill has a frame, a transverse hopper and a series of triple disc coulters mounted on the frame below the hopper. The coulters are each mounted on the frame by a parallelogram linkage which maintains the proper relative positions of the front and ... | 07/29/1980 |
| 4164190 | Seed planting method for cereal grains and grasses A method for planting seeds in a pattern comprising longitudinal and transverse rows of seed planting sites, in which the transverse rows cross the longitudinal rows, the improvement comprising: planting the seeds with a seed-to-seed spacing of 1 to 31/2 ... | 08/14/1979 |
| 4084522 | Apparatus and method for sowing second crop in standing crop Seeds of a second crop (e.g. soybeans) are sown in a standing grain crop (e.g. wheat). When the grain crop is ripe it is harvested by cutting with a combine at a level slightly above the top of the partially grown second crop. Seeding of the second crop i... | 04/18/1978 |
| 4062305 | Crop interseeding implement A self-propelled implement is specially constructed to plant seeds such as beans between rows of a tall growing crop such as wheat. The frame members of the implement are supported above the growing crop on top of selectively spaced front and rear wheel a... | 12/13/1977 |
