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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 |
| 5681027 | Insertable type safety coupling for pressure pipes A plug-in safety coupling for pressure lines including a coupling socket (1) having a blocking member (3) pivotally mounted therein and a plug (2) insertable therein for pressureless coupling and uncoupling. The blocking member (3) is secured against pivo... | 10/28/1997 |
| 5544392 | Clamp structure with spring element An open clamp structure in which overlapping band portions are mechanically connected by a spring separate from the clamping band; the spring is thereby of low profile having a top portion and lateral portions passing over into mutually facing end portion... | 08/13/1996 |
| 5339496 | Self-aligning clamp structure An open self-aligning clamp the overlapping inner and outer band portions of which are adapted to be mechanically connected before tightening about the object to be fastened thereby by a plastically deformable so-called "Oetiker" ear; the mechanical conne... | 08/23/1994 |
| 5333360 | Expandable clamp structure of the earless type An externally expandable earless clamp structure, in which a hook-like member in the outer band portion is adapted to engage in a hook-receiving aperture in the end area of the inner band portion to connect the overlapping band portions, a first inwardly ... | 08/02/1994 |
| 5326072 | Plug-in safety coupling, in particular for compressed air lines A plug-type safety coupling for pressures lines comprising a plug, a housing comprising a one-piece shaped part, a blocking element sealably mounted and secured within the housing, the blocking element being rotatable between a blocking position and a wor... | 07/05/1994 |
