Celebrity Inventors
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 |
| 6322473 | Drive sprocket which has rotating members which are engaged by drive lugs of a track A drive mechanism includes a drive shaft and a sprocket drive assembly. The sprocket drive assembly includes a hub mechanically coupled to the drive shaft, a first side support secured to the hub, a second side support secured to the hub, and a plurality ... | 11/27/2001 |
| 5819910 | Noise reduced step chain sprocket In a drive sprocket of a passenger conveyer, such as an escalator, having a step chain, the sprocket is provided with an overlay attached to the side of the drive sprocket. The overlay cushions the chain as it engages the drive sprocket teeth to thereby m... | 10/13/1998 |
| 4565283 | Means and process for extracting power from a passing cable A conveyor system having transfer rollers for transferring articles from a conveyor to a branch conveyor having a plurality of rotatable branch sheaves. The conveyor having a plurality of carrier rollers rotatably connected to a pair of support members an... | 01/21/1986 |
