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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 |
| 4125228 | Shredder and improvements therein A shredder comprising a rotor and stationary structure. The rotor includes a shaft provided with a series of grooves and split blades mounted within said grooves, this by attachment means penetrating the shaft. The fixed structure forms an anvil or reacti... | 11/14/1978 |
| 4099678 | Shredder structure and improvements therein A shredder structure and improvements therein for shredding or otherwise comminuting materials such as municipal and industrial waste, construction debris, automobile tires, and so forth, wherein there may be selectively installed structure which both del... | 07/11/1978 |
| 4082232 | Shredder structure A shearing or shredding construction incorporating a revolvable shaft that is grooved for the reception of a series of mutually-spaced blades, and wherein keys accurately and positively position such blades, such structure being provided with close tolera... | 04/04/1978 |
| 4077573 | Independently mounted thresher cutters In a thresher, means for independently mounting cutters and for replacing each cutter without disturbing other cutters, the rotor or the fixed cutter mounting means.... | 03/07/1978 |
| 4059236 | Shearing structure in materials reduction machinery Shearing structure for materials' reduction equipment wherein a scissor-type shearing function is preserved, as between the blades and cutter bars used, from an initial shearing position throughout passage of the blade tip toward, at, and past the shearin... | 11/22/1977 |
| 4015782 | Device for reducing polymers or the like to substantially uniform small size pieces A machine for chopping polymers, and in particularly elastomeric materials such as tires, into uniform small size particles through the use of a rotating cutting head having teeth that have side cutting edges generally perpendicular to their outer end edg... | 04/05/1977 |
| 4000858 | Method and apparatus for screening and comminuting device A comminutor for comminuting solid materials carried by flowing fluids, such as industrial wastes or sewage, in which cutter elements carried by a plurality of rotating rings forming a cone shaped rotor co-act with stationary cutter elements supported alo... | 01/04/1977 |
| 3991944 | Comminuting apparatus An apparatus for comminuting bulky objects, especially vehicle tires and parts of automobile bodies, comprises two parallel shafts arranged for rotation in opposite directions and at different speeds, each shaft being driven by a separate hydraulic motor ... | 11/16/1976 |
| 3976252 | Chopping machine A rotatable machine for chopping or comminuting lumps, curds or chunks of material into particles or pieces of acceptably smaller size adapted for permanent installation in a liquid flow line. Includes an internal chopping combination of rotatable and sta... | 08/24/1976 |
| 3963184 | Device for converting a conventional lawn mower to a leaf shredder A plate is detachably securable to the bottom of a conventional lawn mower. The plate covers approximately half of the bottom but leaves the portion open at the rear. A specifically altered cutting blade of the mower, driven by the motor, rotates over the... | 06/15/1976 |
| 3949637 | Onion slicer An onion slicer comprises a drum-shaped body composed of a bottom part and a removable upper part. The upper part contains a plurality of fixed radially disposed bars forming a grating, a rotatable cutter shaft, and a plurality of knife blades attached to... | 04/13/1976 |
