Superstar singer Michael Jackson co-patented a "Method and means for creating anti-gravity illusion" in 1993.
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| Number | Title | Issue Date |
| 5316088 | Rotary hoe mounting unit for row crop cultivator The present invention is a mounting device for individually mounting rotary hoes on the shanks of row crop cultivators. The tractor pulls shanks through the fields to cultivate the soil with rotary hoes connected to the shanks by a mounting device. The mo... | 05/31/1994 |
| 4715449 | Self-dumping crop shield A crop sheild is connected to the aft ends of a pair of parallel links by a bracket assembly which can pivot to permit the shield to dump trash. The bracket assembly is pivotally connected to the aft end of the lower link and includes a slot slidably rece... | 12/29/1987 |
| 4552225 | Cultivator shield attachment A deep shield for cultivating is disclosed, comprised of an elongated horizontal bar, fastened at its forward end by adaptors to any make of cultivator, whose rearward end supports a vertical parallel linkage, extending downward to another horizontal bar ... | 11/12/1985 |
| 4213505 | Tractor implement carrying apparatus A tractor implement carrying apparatus for use with a farm tractor and for supporting farm implements which can be a rolling shield, high speed sliding shield, disc, or other similar farm implements. An adjustable bushing support member is attached to the... | 07/22/1980 |