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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 |
| 7204668 | Panel fastener with spring retaining ring A fastener assembly having a bolt having a shaft and a nose portion at its terminal end. A ring is mounted on the bolt. The ring is an elongated piece of resilient material curving from a first end about the bolt shaft, then curving back around to a second end adjac... | 04/17/2007 |
| 5931621 | Locking mechanism for a rotatable fastener The present locking mechanism for rotatable fastener functions to reliably and inexpensively secure a rotatable fastener in place once it is seated. This is accomplished by the formation of an aperture into the body of the rotatable fastener in a lengthwi... | 08/03/1999 |
| 5725344 | Positioning device and method of use A positioning device (20) which permits precise adjustment and retention of the longitudinal position of a screw member (30) within a threaded receptacle (22) in incremental detent steps includes the screw member (30) having at least one spring member (42... | 03/10/1998 |
| 5085548 | Nut and snap ring position locking device An apparatus for preventing the rotation of a nut with respect to a threa shaft, one version suitable for use on a plain threaded shaft and another version suitable for use on a threaded shaft having an axial keyway of rectangular cross section. The appa... | 02/04/1992 |
| 4432680 | Stressed panel fastener This invention provides a shear resistant panel fastener that includes a bolt having a head and a shank with a first relatively large diameter portion adjacent the head and a second smaller diameter threaded portion, a sleeve on the second portion of the ... | 02/21/1984 |
