Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7971886 | Steering for towed implements An implement includes a caster wheel pivotally attached to the implement to support the implement for movement. A steering link is engaged with the caster wheel, and an actuator is operative to move the steering link from a neutral position to a controlling position... | 07/05/2011 |
| 4930589 | Operator guidebar for a walk-beside articulated machine A guidebar used on a walk-beside articulated machine having a first machine portion and a second machine portion which swivel about a pivot point. A first bar portion has a first end and a swivel end. The first end is fixably attached to the first machine... | 06/05/1990 |
| 4697405 | Mowing apparatus A mower for mowing under fences or guardrails and the like has trailer mounted multiple rotary mower units including a first multiple blade unit for rotating on a vertical axis around posts and for mowing under and behind the fence or guardrail and a sing... | 10/06/1987 |
| 4146245 | Self-propelled vehicles A self-propelled cycle-type vehicle comprises a drive wheel rotatably supported by the vehicle frame and coupled to the vehicle foot pedals; a planetary wheel of larger diameter than the drive wheel and rotatably supported by the frame around the drive wh... | 03/27/1979 |
| 3982603 | Steering systems for guided vehicles A steering system for a guided vehicle comprises a coupling device for coing the steering axle actuating linkage both to a detector for guiding the vehicle along a guidance reference member and to a steering gear, the coupling device comprising first and... | 09/28/1976 |