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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 4987844 | System for reducing drag and noise of underwater vehicles A means and method for simultaneously reducing drag and noise of a high-sd underwater vehicle is provided. Water is admitted through a water intake scoop in the nose of the vehicle and a polymer powder-gas combination is injected into the water stream in... | 01/29/1991 |
