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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 |
| 7452434 | Methods and apparatus for surface preparation and dual polymeric layer coating of continuous-strip flat-rolled sheet metal, and coated product Processes and apparatus for manufacturing an engineered-composite combining rigid flat-rolled sheet metal continuous-strip and selected polypropylene thermoplastics, which are formulated into dual polymeric coating layers for extrusion deposition, as distinct layers... | 11/18/2008 |
| 7419560 | Extruded molten polymeric film bonding of solid polymeric film to flat-rolled sheet metal continuous strip Method steps and apparatus combinations for continuous in-line polymeric coating of rigid corrosion-protected flat-rolled sheet metal continuous-strip substrate utilizing a thermoplastic polymeric material having adhesive characteristics, capable of molten thin-film... | 09/02/2008 |
| 7195796 | Polymeric coating formulations and steel substrate composites A process is provided for making a composite work article suitable for fabricating rigid sheet metal can components. A steel sheet having first and second surfaces is pre-treated to enhance reception and retention of a multi-layer polymer coating on the pre-treated ... | 03/27/2007 |
| 7101454 | Surface preparation and polymeric coating of continuous-strip flat-rolled steel and coated product Engineered composite coated flat-rolled steel strip is produced in continuous line operations, in which flat-rolled steel strip, free of surface iron oxide, having a metallic corrosion-protective coating, is polymer coated in continuous-line operations in which a pl... | 09/05/2006 |
