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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 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 4682522 | Shearing method and machine for segmenting scrap tires An apparatus for segmenting scrap tires having a compression conveyor and three rotary shears that make perpendicular cuts into the tire. The compression conveyor centers the tire and provides forces onto the treaded periphery to buckle the tire. The comp... | 07/28/1987 |
| 3935776 | Paper cutting machine A paper film trimming machine, useful for trimming news copy, consists of a supporting table over which the paper is fed under the weight of a plexiglass plate by means of feed rollers driven by an electric motor. A pair of spring-biased straight-edge kni... | 02/03/1976 |
