Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 6723760 | Method for producing expanded or expandable polyolefin particles The invention relates to a process for the production of expanded or expandable polyolefin beads by impregnating polyolefin granules with a volatile blowing agent in suspension under pressure. As suspension aid, use is made of a mixture of a water-insoluble inorgani... | 04/20/2004 |
| 4771592 | Machine which is pulled or provided with a three-point attachment to a tractor and used for the harvesting of corn and similar stalk-like crops The invention relates to a machine which is pulled or attached to a three-point attachment on a tractor and used for the harvesting of corn or similar stalk-like crops. The machine has a cutting device and a chopping blower arranged subsequent thereto wit... | 09/20/1988 |
| 4408441 | Interconnected, adjustable height topper and gathering arm system for sugar cane harvesters, etc. A sugar cane harvester having at its front end a topper section for cutting off the tops of the cane stalks and upper and lower sets of cane gathering arms which gather up the cane and bring it into the harvester for harvesting at its base and topping at ... | 10/11/1983 |
