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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 |
| 5496414 | Stowable and deployable concentrator for solar cells A stowable and deployable concentrator for solar cells, A flexible, springily resilient Fresnel lens is held in a frame whose relaxed condition holds the Fresnel lens as the linear fragment of a cylinder. When in this deployed shape, the Fresnel lens conc... | 03/05/1996 |
