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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 |
| 6187688 | Pattern formation method After an organic bottom anti-reflective coating (12) is deposited on an underlying film (11), a resist pattern (15) is formed on the organic bottom anti-reflective coating (12). Dry etching is performed with respect to the organic bottom anti-reflective c... | 02/13/2001 |
