Did You Know...
...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 |
| 7258178 | Auger planter An auger planter for forming small holes in the earth for the planting of flower bulbs, plant seedlings and plants, and for the insertion of termite monitors and baits. The auger includes a central shaft and a single helical flighting having its leading edge configu... | 08/21/2007 |
| 6296068 | Planting system A planting system with the special planter to dig uniform holes, puck type plant feeders to go in the holes and plastic dual planting trays. These can be used independently or in any combination. Features include a protective shroud, pulverizing the dirt ... | 10/02/2001 |
| 6125776 | Device for digging planting holes for bedding plants and the like A device for digging holes for setting out bedding plants, including a rotary tool for digging a hole, the tool having a shank adapted to be chucked to a power drill and passing through an inverted bowl shaped transparent plastic cover to contain excavate... | 10/03/2000 |
| 5564353 | Method for forming a planting hole in soil while leaving a substantial portion of pulverized soil in the hole A planting hole forming apparatus includes a central shaft having a longitudinal axis, a bottom leading end and an upper trailing end, and a discontinuous flighting comprising a plurality of flighting sections spiraling around the central shaft at spaced ... | 10/15/1996 |
| 5540433 | Pilot hole drill for golf tee A golf tee drill comprising a cylindrical casing having a removable cap at a first end. A spring is mounted in the removable cap. An electric motor is provided, having a rotatable shaft. The motor is secured within a second end of the casing. A battery is... | 07/30/1996 |
| 5133269 | Plant hole digger with cylindrical cutter This invention is comprised of an auger with fixed or replaceable tips designed to cut openings through sheet plastic or fiberglass ground coverings and drill, in a continuous operation, an appropriate diameter hole for planting seedlings or seeds as may ... | 07/28/1992 |
| 4901800 | Cultivator tool for planting seedlings The tool includes a shaft adapted at its upper end to receive a power source. Flighting extends partially along the shaft above a pair of radially directed elongate blades which project outwardly from the shaft a distance beyond the flighting edge. A modi... | 02/20/1990 |
| 4751971 | Automatic augering device and method A mobile automatic augering device, capable of augering a hole, entrapping a volume of earth removed from the hole to create a work space above the hole, and then backfilling the hole with the removed earth is disclosed. The present invention is character... | 06/21/1988 |
| 4672901 | Auger hole dirt retainer In an earth planting process which entails the boring and refilling of a hole, a method and apparatus are provided to accumulate extracted soil in a container whose configuration is defined by two rigid and concentric cylinders which are joined by a flexi... | 06/16/1987 |
| 4459924 | Apparatus and method for spot planting seedlings An apparatus and method for spot planting seedlings in which planting instrumentalities intermittently engage ground and plant seedlings at spaced spots. The planting instrumentalities include a site preparation pulverizer, seedling insertion dibble plate... | 07/17/1984 |
| 4323019 | Method and apparatus for planting seedlings A method and apparatus is provided for planting tree seedlings or the like. The apparatus includes an elongate tube, and a pair of blades pivotally mounted to the lower end of the tube. The blades are each pivotal between a closed position closing the low... | 04/06/1982 |
| 4278035 | Machine for planting containerized tree and shrub seedlings A seedling planter consisting of a portable frame on which is mounted a horizontally rotatable, vertically movable index plate carrying a vertically movable, normally lowered scraper blade, a telescopic seedling drop tube, an auger, an auger hydraulic mot... | 07/14/1981 |
| 4122784 | Method and apparatus for the regeneration of lawn surfaces in particular of grass sport pitches A wheel supported chassis has a motor driving it intermittently across a lawn or turf surface for predetermined distances between cycles, a drilling means drills holes in the turf area while the apparatus is stationary, a collecting platform feeds tubular... | 10/31/1978 |
