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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 |
| 4880702 | Three layer composition for stablizing a denture A composition for stabilizing a denture in the form of a thin strip consisting of three layers, piled up one over another, which composition is characterized in that: (a) a swelling ability and solubility of outside layers are higher than those of an insi... | 11/14/1989 |
