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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 |
| 5536113 | Precast concrete wingwall A precast concrete soil retaining structure is provided comprising an upright portion, a base portion, and a plurality of retaining caps. Preferably its use will be as a wingwall for use with culvert systems. The upright portion of the structure has a fir... | 07/16/1996 |
