Celebrity Inventors
Penn Jillette of Penn and Teller fame has patented a "Hydro-Therapeutic Stimulator", which uses a hot tub for stimulation.
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| Number | Title | Issue Date |
| 5868628 | Live-action theater In a live-action theater, a catapult launches a prop which achieves free flight in the theater. The catapult and prop are concealed until the moment of launch, whereupon the prop suddenly hurtles into an audience's view, and lands in front of the audience... | 02/09/1999 |
| 5833544 | Film and live action theater A film to live-action theater includes a screen facing an audience seating area. The screen has exit and entrance openings and movable panels to open and close off the openings. A screen elevator lifts the screen from a lowered position, wherein the entra... | 11/10/1998 |
| 4767334 | Educational and recreational toy vehicle A fully enclosed toy craft intended for both amusement and educational purposes having the ability to assume a multitude of forms with each form resembling a different type of vehicle. The craft's interior resembles a scaled down version of a commander's ... | 08/30/1988 |
| 4244143 | Highway game A highway game has a base supporting a conveyor-like roadway belt on which a toy vehicle is mounted. The vehicle has a control mechanism mounted at one end of the base and this mechanism includes a winding device wound with a tether secured to the vehicle... | 01/13/1981 |
