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 |
| 5963921 | Electronic income tax refund early payment system with means for creating of a new deposit account for receipt of an electronically transferred refund from the IRS Electronic data processing system for preparation of electronically filed tax returns and authorization and payment of refunds based on the data supplied in those returns. Electronic data processing programs are provided for creating an electronic tax ret... | 10/05/1999 |