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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 |
| 5245737 | Cotter pin extractor kit apparatus Elongate pull legs having shanks are arranged with hooks at their first distal ends and shank projecting second ends for reception within a slide hammer arrangement, wherein the hooks are arranged for grasping of cotter pins for their extraction.... | 09/21/1993 |
| 4841821 | J-nut plier A device for engaging and prying open J-nut clips of various shapes and sizes from a locked position on an automobile body part to permit easy removal thereof without damaging the same. The device having first and second handle members pivotally coupled t... | 06/27/1989 |
| 4670956 | Tool for high voltage transmission lines A tool is disclosed that is useful for manipulating the cotter keys that secure the connections between insulators in a high voltage transmission line. In a preferred embodiment, the tool (10) comprises an arm (12) having a first end (14) adapted for conn... | 06/09/1987 |
| 4624484 | Shrink-fit connector for electrical well subsurface heating processes There is described an insulating connector for the wellhead of an electrode well used for heating a subsurface formation by electrical power dissipation in the formation. The insulating connector has two iron base metal fittings (for example, steel flange... | 11/25/1986 |
