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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 |
| 4729435 | Subsoil tilling implement An agricultural tilling implement is described which is adapted to be connected to the rear of a tractor having a three-point hitch. The implement comprises an elongated tool bar which preferably has two attachments thereon, spaced from each other, for co... | 03/08/1988 |
| 4608933 | Apparatus for converting a chisel plow to a planter Apparatus is provided for readily converting a conventional pull-type implement such as a chisel plow into an effective planter. The conversion assembly includes a furrow opener such as a narrow shoe located adjacent the lower end of the chisel shank, alo... | 09/02/1986 |
| 4331205 | Depth control wheel for seed planter An attachment (10) for use with an agricultural seeder implement is disclosed. The attachment (10) includes a pair of depth gauge wheels (28) which are aligned with respect to the direction of the intended movement (38) of the implement. The wheels (28) a... | 05/25/1982 |
| 4311104 | Press grain drill A press grain drill includes a plurality of opener units mounted on an elongated tow tube and including a plurality of elongated, pivotably coupled elements forming a pair of parallelograms which support a self-penetrating shovel and a press wheel respect... | 01/19/1982 |
