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 |
| D501447 | Plug assembly | 02/01/2005 |
| 5197805 | Temperature sensor protection tube A protective tube is provided for a temperature sensor. The protective tube includes an inner metal tube including a chamber for containing a temperature sensor, an intermediate refractory sleeve surrounding and abutting at least a portion of the inner me... | 03/30/1993 |
| 5052950 | Terminal connector head A terminal connector head has a housing and a cover. The cover is removably mounted on the housing. The housing has an inner surface that has holes formed therein. The holes receive threaded inserts into which terminal screws are threaded. The holes are f... | 10/01/1991 |
| 4871263 | Protective tube for a temperature sensor A protective tube for a temperature sensor, such as a thermocouple assembly, comprises an inner metal tube which is open on either end, a thermally conductive plug for attaching to and closing one end of the tube, and a surrounding layer of refractory cer... | 10/03/1989 |