...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7665410 | Seed and fertilizer drill and method A drill for seeds and/or solid fertilizer having a support frame and a plurality of planter row units extending transversally of the direction of travel which are separated in first, second and third groups. A central member supports the first group and is attached ... | 02/23/2010 |
| 7603956 | Direct seeder The present invention relates to a direct seeder. A fertilizer receptacle and a seed receptacle integrally formed with each other in the conventional art are separated from each other. A single fertilizer receptacle and a single seed receptacle are used in place of ... | 10/20/2009 |
| 7430972 | Seed and fertilizer drill and method A drill (10) adapted to distribute at least one of seeds and solid fertilizer, the drill (10) comprising a support frame (12) supported by at least two rear wheels (16) aft thereof, a main reservoir (20) installed on a rear portion... | 10/07/2008 |
| 7418908 | Seed hopper and routing structure for varying material delivery to row units Left and right main hoppers offset laterally from each other on opposite sides of the centerline of a seeding machine provide an operator access area between the hoppers. A third hopper located forwardly of and between the two main hoppers has a capacity less than t... | 09/02/2008 |
| 7263937 | Seed tube guard A mutually-engageable or interlocking connection between a seed tube guard and a frame member mounted to a seed planting machine. The mutually-engageable connection includes a yoke having a front journal and a rear journal with a gap, the yoke, carried on the frame ... | 09/04/2007 |
| 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 |
| 7104207 | Air seeder tank arrangement An air seeder has two tanks for holding seed or other particulate matter. Each tank has a metering device at the bottom to meter out the contents of the tanks. A panel is positioned to cover and uncover a hole between the two tanks such that it can direct the conten... | 09/12/2006 |
| 7096803 | Seed boot opener having interchangeable dispensers A seed boot having a modular or replaceable opener removably fastened to the seed boot. The opener is configured in any of several embodiments for discharging a fluent material such as seed in different ways, including narrow single row, wide single row, and double ... | 08/29/2006 |
| 7044684 | Plow blade with water passageway A plow blade having a fluid passageway and points of fluid ejection is produced with basic manufacturing processes allowing for efficient production. The blade construction has a multiple component assembly for providing the ability to rebuild a blade and replacing ... | 05/16/2006 |
| 7004090 | Fertilizer injector wing for disc openers Disc openers (14) for use with an air seeder (10), are configured for seeding and fertilizing a field (G). The opener (14b) broadly includes a drawbar assembly (16), a disc assembly (18) including a coulter disc (20) ... | 02/28/2006 |
| 6994038 | Agricultural machine with variable pressure product distribution system A product-on-demand delivery system for agricultural product overcomes the problem of over pressuring near application units in order to achieve sufficient pressure to feed further application units. The invention provides two or more main hoppers, each hopper press... | 02/07/2006 |
| 6990911 | Seed planting assembly and liquid application device for same A planting assembly including a frame, a furrow opening mechanism, a seed tube for directing a seed into a furrow, a liquid source, a liquid delivery conduit having a delivery end, and a furrow closing mechanism. An adapter is configured for mounting to the seed tub... | 01/31/2006 |
| 6986314 | Air seeder attachment for a V-Blade Plow This invention is an apparatus for planting seed and injecting dry fertilizer (dry granular material) with a V-Blade Plow while at the same time tilling the soil. The apparatus consists of a series of circular conveyance tubes that direct the granular material into ... | 01/17/2006 |
| 6986313 | Dual material agricultural delivery system for seeder A compression system for a dual material delivery assembly for mounting on a frame alongside a plurality of similar assemblies is described. The assembly includes a furrowing knife for producing a furrow in the ground as it is towed across the ground. A fertilizer t... | 01/17/2006 |
| 6959655 | Method and apparatus for the application of fluid to soil or plants The present invention is a method and apparatus for the application of fluid to soil and/or plants. A cutting blade for the soil preferably goes to depths of at least 12 inches. A nozzle/spray system is provided to the cutting blade to provide fluid during cutting o... | 11/01/2005 |
| 6918342 | Planter bracket assembly for supporting appurtenances in substantial alignment with the seed tube An improved bracket assembly for supporting seed planting appurtenances in substantial alignment with respect to a seed tube of an agricultural planter. The bracket assembly comprises a housing having opposing first and second sides. The housing includes mounting st... | 07/19/2005 |
| 6834599 | Product diverter valve and collector apparatus for air drill seeding system An improved collector assembly comprises a generally hollow body mounted below a product supply tank for receiving plural streams of materials metered from the tank. Individual upright passages through the body corresponding in number to the metered streams from the... | 12/28/2004 |
| 6516733 | Vacuum seed meter and dispensing apparatus An agricultural seed planter and seed meter therefore, wherein the seed meter includes a rotary vacuum drum disposed within a stationary housing to entrain individual seeds on an annular circumferential periphery of the drum. As the entrained seeds rotate... | 02/11/2003 |
| 6216615 | Chemical metering apparatus for controlled deposit of agricultural chemicals in coordination with seed singulation The invention is an insecticide meter device for metered discharging of agricultural insecticides, and other chemicals. The insecticide metering device is designed to collect insecticide in a chamber and deposit that insecticide in the predetermined amoun... | 04/17/2001 |
| 6216616 | Mid row banding coulter drill A coulter closing wheel assembly, a method of planting, and a mid row banding pneumatic coulter drill assembly support vehicle. One fertilizer coulter is positioned between two seeding coulters. The seeding coulters are followed by a furrow closing disc w... | 04/17/2001 |
| 5979343 | Plenum damper and baffle plate arrangement for pneumatic distribution system An air seeder is provided with a pneumatic distribution system for delivering product through a plurality of primary tubes arranged in first and second rows. The pneumatic distribution system has a plenum housing having a plurality of outlet ports also ar... | 11/09/1999 |
| 5927217 | Metering particulate material A supply tank for the individual openers of an air seeder includes two separate tank elements each formed from two separate tanks. Each opener has two supply ducts, one from each tank element. Each tank has a dispensing roller across its bottom metering m... | 07/27/1999 |
| 5906166 | Seeding assembly including seed boot and boot mounted, resiliently biased packer wheel The present invention provides a seed boot and packer wheel for use with a cultivator particularly of the type for mounting directly on a cultivator shank. The seed boot and packer wheel comprise a seed boot, an attachment means fixing the seed boot to th... | 05/25/1999 |
| 5673638 | Resilient seed firming attachment for a planting machine A resilient seed firming attachment for a planting machine designed to effectively place seed at a consistent depth and at consistent spacing. The attachment may be of any geometrical configuration having a length adequate to firm the seed in the opened f... | 10/07/1997 |
| 5598795 | Tube alignment bracket A tube alignment bracket for mounting on or shaped integrally with the seed distribution tube of a seed planter to align multiple planter insecticide tubes in close proximity to, and in a vertical plane with, the discharge opening of the seed distribution... | 02/04/1997 |
| 5562054 | Seeding machinery A seeding assembly (20) for attachment to a cultivating or seeding tine (21). The seeding assembly (20) includes a seed tube (52) movably attached to the tine (21) by parallel linkages (53, 54). A wheel (63) is attached to the seeding tube (52) to regulat... | 10/08/1996 |
| 5537942 | Apparatus for simultaneously seeding and fertilizing agricultural crops An apparatus for simultaneously seeding and fertilizing agricultural crops is described which includes a seeding blade having opposed sides, a knife-like leading edge, a trailing edge and a bottom edge. A seed conduit is disposed along the trailing edge o... | 07/23/1996 |
| 5490470 | Tube alignment spacer bracket A tube alignment spacer bracket for mounting on a tube alignment bracket which is, in turn, mounted on or shaped integrally with the seed distribution tube of a seed planter, to align the planter insecticide tube or tubes in close proximity to, and in a v... | 02/13/1996 |
| 5473999 | One pass seedbed preparation device and system A coulter blade assembly for use with a farm implement, which assembly comprises a first coulter unit, a second coulter unit, and a third coulter unit, all units mounted to the implement in a triangular arrangement in plan; with the first coulter unit bei... | 12/12/1995 |
| 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 |
| 5357884 | All purpose coulter drill A unique and improved seed and fertilizer coulter-type drill is disclosed. The drill has a plurality of coulter wheels in four rows, the front two rows of coulters cut first furrows and deposit seed. The rear two rows of coulters cover the seed in the fir... | 10/25/1994 |
| 5331907 | Apparatus for depositing seed and fertilizer Apparatus for depositing seed and fertilizer in the ground comprises, a sectional frame, a seed supply and a fertilizer supply mounted on the frame, a multiplicity of unique fluid controlled seed row assemblies pivotally mounted on the frame to receive se... | 07/26/1994 |
| 5323720 | Revegetation method Surface mined lands are reseeded by dispensing grass, forb and shrub seed from a seed drill with seed-dispensing boxes connected to plural dispensing tubes which drop seed on the earth's surface and wherein at least one seed box is operable to dispense co... | 06/28/1994 |
| 5271343 | Planter insecticide tube alignment bracket A tube alignment bracket for mounting on or shaped integrally with the seed distribution tube of a seed planter to align the planter insecticide tube in close proximity to, and in a vertical plane with, the discharge opening of the seed distribution tube ... | 12/21/1993 |
| 5136954 | Device for application of granular, gaseous or liquid material to soil An attachment to an existing sweep of a seeding device is provided for additional dispensing of fertilizer. A protection tooth on the leading face of the attachment can be placed at a desired depth of its lower, free end to selectively adjust the level at... | 08/11/1992 |
| 4781129 | Debris and soil shaver A debris and soil shaver for no till farming is disclosed which has a disk-like member which floats up and down as it is pulled across the ground surface. The disk is angled with respect to a predetermined direction of travel of an agricultural apparatus ... | 11/01/1988 |
| 4770112 | Combination seeding, tilling and fertilizing implement An opener assembly for fertilizing, tilling and seeding in one pass. An opener body is removably attached to an upright support leg and mounts a replaceable fertilizer banding knife. A replaceable sweep blade fixed immediately behind the knife to slice we... | 09/13/1988 |
| 4700640 | Device in a combined drill for simultaneously spreading seed and fertilizer The invention relates to a device in a combined drill for spreading seed and fertilizer simultaneously and comprising a container. The latter is divided by a wall into two compartments of which one is intended to take up the seed and the other to take up ... | 10/20/1987 |
| 4580506 | Liquid fertilizer attachment A fertilizer knife adapted to be attached to a planter. A housing is adjustably attached to the fertilizer knife and an adjustable mechanism is provided for permitting the knife to be adjusted vertically with respect to the housing, thereby adjusting the ... | 04/08/1986 |
| 4539921 | Drill frame construction A modular drill frame construction which can assume configurations for standard seeding-drive fertilizer application, and with a modular section added, used for side banding of fertilizer, that is, depositing fertilizer between the normal rows of seed, an... | 09/10/1985 |