Penn Jillette of Penn and Teller fame has patented a "Hydro-Therapeutic Stimulator", which uses a hot tub for stimulation.
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| Application No. | Application Title | Issue Date |
| 20080009360 | Adjustable golf club This club's design provides the ability to change the blade's alignment with the hosel and shaft without any loosening or disassembly of the club's parts. The blade is placed and kept firmly in its various positions through the use of spring loaded “pins”. A similar... | 01/10/2008 |
| 20070161430 | GOLF CLUB WITH PLURAL ALTERNATIVE IMPACT SURFACES A golf club having a shaft and an elongated head projecting at a lie angle relative to the shaft, the head having the shape of a regular polygon in a cross section at right angles to the central axis of the head, with each face being formed of a material that provides a... | 07/12/2007 |
| 20060134583 | Simulation and training sphere for receiving persons The drive controller of a simulation and training ball is powered by an electromotor on pivoting friction rolls is provided with information about the actual movements of the ball itself and, if necessary, about the movements of a user located inside the ball, thereby m... | 06/22/2006 |