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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 |
| 6350075 | Bellows seal A bellows seal (1) on a ball-and-socket joint provided with joint ball and ball pivot (2), especially on a ball-and-socket joint of a chassis bearing, with an elastic bellows has a pivot-side opening and a joint-side opening and axially surrounds the ball... | 02/26/2002 |
