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 |
| 6245570 | Container for irradiation of blood products A container for irradiation comprises a flexible, flat collapsible wall defining a sealed chamber, the plastic material of said wall being substantially transparent to the irradiation, which is typically ultraviolet radiation. An access port or ports are ... | 06/12/2001 |