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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 |
| 6434752 | Covering for a portion of a human head A covering (2) for a portion of a human head (16) and its method of use is disclosed. The covering (2) is an envelope formed from a flexible material and provided with a mouth, the material defining the mouth of the envelop. The length of the edge (6) of ... | 08/20/2002 |
