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 |
| 5595689 | Highly conductive polymer blends with intrinsically conductive polymers A polymer blend according to the invention of the type including an intrinsically conductive polymer disbursed in a matrix selected from thermoplastic polymers, monomers, polymerizable precursors and combinations thereof is improved by an amount of a non-... | 01/21/1997 |