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 |
| 7247956 | Performance test board Performance Test Board for connecting at least one device under test (DUT) to a test system which has internal power supply sources (IPS) wherein said Performance Test Board (PTB) comprises at least one DC-DC-converter having an input terminal to which several inter... | 07/24/2007 |