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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7198295 | Retainer arrangement connecting operating unit to a vehicle A retaining arrangement, including a support arm is proposed, by means of which an operating unit is connected with a vehicle. The retaining arrangement includes a safety device which operates such that, as long as a predetermined condition is not fulfilled, the con... | 04/03/2007 |
| 5988291 | Soil penetrating tool assembly A soil penetrating tool assembly (10) having a tool shank (18) which is pivotally mounted so as to clear obstructions in the ground. Movement of the shank away from its normal attitude is opposed by a hydraulic ram (22). The force required to be exerted b... | 11/23/1999 |
| 5184685 | Self-contained nursery cultivator A nursery cultivating assembly is carried on a modified zero turning radius tractor and includes a cultivating device, a spraying device, and a tank assembly operably interconnected thereon, while providing for trees to be planted closer together.... | 02/09/1993 |
| 4585071 | Method and apparatus guiding retractable machinery A retractable tool apparatus is adapted to be mounted on a movable vehicle for working the area around and between objects in a row. The tool apparatus includes an extendable and retractable outrigger arm attachable on one of its ends to the vehicle. A wo... | 04/29/1986 |
| 4531589 | Retractable tiller for installation at side of tractor A tiller for installation at one side of a tractor, having a retractable tiller frame movable by a power mechanism which is normally actuated by a horizontal sensor arm through a linkage system. Here, there is manual override enabling the tractor driver t... | 07/30/1985 |
| 4518043 | Tool apparatus with control to move tool when object approached The disclosure in this patent application includes a retractable in-row tiller device that has a parallelogram carriage structure for supporting the outrigger arm and tiller and for retracting and extending the outrigger arm and tiller in relation to the ... | 05/21/1985 |
| 4384618 | Automatically retracting tiller for mounting on one side of a tractor An automatically retracting tiller for installation at one or both sides of a tractor. A stationary frame is adapted to be secured to a side frame attachment of the tractor. A gimbal frame is pivoted to the stationary frame by a stationary horizontal pivo... | 05/24/1983 |
| 4359101 | Ground preparation tool for reforestation This invention relates to an auger and to a plow including such auger. This specification discloses an auger which is suitable for use even in the difficult terrain encountered in typical reforestation operations. An auger in accordance with this disclosu... | 11/16/1982 |
| 4353421 | Soil preparing device for preparing forest soil A soil preparing device for preparing forest soil to a planting bed. The device comprises a frame intended to be mounted on a forest tractor, a support arm mounted on the frame pivotally around a horizontal link, and a preparing element supported by a sli... | 10/12/1982 |
| 4171723 | Crop uprooting and soil cultivating apparatus and method for use of same Crop uprooting and cultivating apparatus which includes at least one bar having at least one angled edge thereon that extends from a support at least partially across a row to be cultivated or from which crops and/or foliage are to be uprooted. The bar is... | 10/23/1979 |
