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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 |
| 7178555 | Pressure relief valve A pressure relief valve that is mountable to protect packaging so as to vent pressurized gases contained within the packaging. The present invention also pertains to a pressure relief valve which includes at least one passageway defined by at least one inner rail an... | 02/20/2007 |
| 5561574 | Method for manufacturing lifter for a disc cartridge and feed stock therefor A feed stock for manufacturing lifters for disc cartridges, wherein the feed stock can be separated into individual lifters at an assembly station, the lifters to be applied inside the cartridge for pressing a cartridge liner against the disc at a locatio... | 10/01/1996 |
